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Exponentials and logarithms: OCR MEI A‑Level Maths questions

Every OCR MEI A-Level Maths exam question on P.6 Exponentials and logarithms, 2018–2025, with its mark scheme and examiner’s report.

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560 questions

  1. Q9

    June 2025 · Paper 1

    The whole paper ↗
    June 2025 Paper 1, question 9: The table below shows information about four of the moons of the planet Jupiter. The semi-major axis is the greatest distance that each moon reaches from the ce
  2. Q7

    June 2025 · Paper 3

    The whole paper ↗
    June 2025 Paper 3, question 7: A group of scientists is studying how a population of insects grows in the laboratory. At the start of the study, there are 48 insects. At the end of the first
  3. Q12

    June 2025 · AS Paper 1

    The whole paper ↗
    June 2025 AS Paper 1, question 12: A student dissolves 0.5 kg of salt in a bucket of water. Water leaks out of a hole in the bucket so the student lets fresh water flow in so that the bucket stay
  4. Q1

    June 2025 · AS Paper 2

    The whole paper ↗
    June 2025 AS Paper 2, question 1: You are given that b, c and d are integers greater than 1. a k . c 0 (a) State the value of d [1] (b) State the value of log b b . [1]
  5. Q15

    June 2025 · AS Paper 2

    The whole paper ↗
    June 2025 AS Paper 2, question 15: 3x 15 (a) On the axes in the Printed Answer Booklet, sketch the graph of y [2] . = 3x (b) Determine the exact coordinates of the points of intersection of the c
  6. Q5

    June 2024 · Paper 1

    The whole paper ↗
    June 2024 Paper 1, question 5: (a) Make y the subject of the formula log ( y k ) x log 2 , where k is a positive constant. [2] - = 10 10 (b) Sketch the graph of y against x. [3]
  7. Q10

    June 2024 · Paper 1

    The whole paper ↗
    June 2024 Paper 1, question 10: Zac is measuring the growth of a culture of bacteria in a laboratory. The initial area of the culture is 8 cm2. The area one day later is 8.8 cm2. , where A cm2
  8. Q5

    June 2024 · Paper 3

    The whole paper ↗
    June 2024 Paper 3, question 5: In this question you must show detailed reasoning. Using the substitution u x + , find the value of the positive integer c such that 1 = x 1 c 4 +y d x ln 3 . [
  9. Q11

    June 2024 · AS Paper 1

    The whole paper ↗
    June 2024 AS Paper 1, question 11: A student records the time a pendulum takes to swing for different lengths of pendulum. The student decides to plot a graph of log T against log 10 where T is t
  10. Q9

    June 2023 · Paper 1

    The whole paper ↗
    June 2023 Paper 1, question 9: d y - . x x 9 The gradient of a curve is given by d e 4 e = - x (a) Show that the x-coordinate of any point on the curve at which the gradient is 3 satisfies th
  11. Q11

    June 2023 · Paper 1

    The whole paper ↗
    June 2023 Paper 1, question 11: The height h cm of a sunflower plant t days after planting the seed is modelled by h a b ln t = + for t 9 , where a and b are constants. The sunflower is 10 cm
  12. Q14

    June 2023 · Paper 1

    The whole paper ↗
    June 2023 Paper 1, question 14: (a) Use the laws of logarithms to show that log 200 log 20 is equal to 1. [2] - 10 10 The first three terms of a sequence are log 20 , log 200 , log 2000 . 10 1
  13. Q9

    June 2023 · Paper 3

    The whole paper ↗
    June 2023 Paper 3, question 9: A small country started using solar panels to produce electrical energy in the year 2000. Electricity production is measured in megawatt hours (MWh). For the pe
  14. Q9

    June 2023 · AS Paper 1

    The whole paper ↗
    June 2023 AS Paper 1, question 9: x 9 The graph shows the function y e . = y x O x 2 x (a) Describe the transformation of the graph of y e that gives the graph of y e . [2] = = x A second functi
  15. Q10

    June 2023 · AS Paper 1

    The whole paper ↗
    June 2023 AS Paper 1, question 10: Layla invests money in the bank and receives compound interest. The amount £L that she has after 1 023t t years is given by the equation L 2800 . . = # (a) (i)
  16. Q14

    June 2022 · Paper 1

    The whole paper ↗
    June 2022 Paper 1, question 14: Alex places a hot object into iced water and records the temperature i °C of the object every minute. e kt The temperature of an object t minutes after being pl
  17. Q3

    June 2022 · Paper 2

    The whole paper ↗
    June 2022 Paper 2, question 3: 4x 3 (a) On the axes in the Printed Answer Booklet, sketch the curve with equation y 3 . . [3] = # x (b) Given that 3 0 4 . 0 8 . , determine the value of x cor
  18. Q3

    June 2022 · AS Paper 2

    The whole paper ↗
    June 2022 AS Paper 2, question 3: Ae . 0 02 t 3 You are given that y . = • Make t the subject of the formula. • Find the value of t when y 108 107 and A 6 62 . . [3] = = #
  19. Q5

    November 2021 · Paper 3

    The whole paper ↗
    November 2021 Paper 3, question 5: x 5 (a) The diagram shows the curve y e . = y x O On the axes in the Printed Answer Booklet, sketch graphs of y against x, d (i) [1] x d y against y. d (ii) [2]
  20. Q11

    November 2021 · AS Paper 1

    The whole paper ↗
    November 2021 AS Paper 1, question 11: On the day that a new consumer product went on sale (day zero), a call centre received 1 call about it. On the 2nd day after day zero the call centre received 3
All 33 questions on Exponentials and logarithms, as a list
  1. June 2025, Paper 1, Q9 (6 marks): The table below shows information about four of the moons of the planet Jupiter. The semi-major axis is the greatest distance that each moon reaches from the ce
  2. June 2025, Paper 3, Q7 (9 marks): A group of scientists is studying how a population of insects grows in the laboratory. At the start of the study, there are 48 insects. At the end of the first
  3. June 2025, AS Paper 1, Q12 (13 marks): A student dissolves 0.5 kg of salt in a bucket of water. Water leaks out of a hole in the bucket so the student lets fresh water flow in so that the bucket stay
  4. June 2025, AS Paper 2, Q1 (2 marks): You are given that b, c and d are integers greater than 1. a k . c 0 (a) State the value of d [1] (b) State the value of log b b . [1]
  5. June 2025, AS Paper 2, Q15 (7 marks): 3x 15 (a) On the axes in the Printed Answer Booklet, sketch the graph of y [2] . = 3x (b) Determine the exact coordinates of the points of intersection of the c
  6. June 2024, Paper 1, Q5 (5 marks): (a) Make y the subject of the formula log ( y k ) x log 2 , where k is a positive constant. [2] - = 10 10 (b) Sketch the graph of y against x. [3]
  7. June 2024, Paper 1, Q10 (10 marks): Zac is measuring the growth of a culture of bacteria in a laboratory. The initial area of the culture is 8 cm2. The area one day later is 8.8 cm2. , where A cm2
  8. June 2024, Paper 3, Q5 (6 marks): In this question you must show detailed reasoning. Using the substitution u x + , find the value of the positive integer c such that 1 = x 1 c 4 +y d x ln 3 . [
  9. June 2024, AS Paper 1, Q11 (6 marks): A student records the time a pendulum takes to swing for different lengths of pendulum. The student decides to plot a graph of log T against log 10 where T is t
  10. June 2023, Paper 1, Q9 (10 marks): d y - . x x 9 The gradient of a curve is given by d e 4 e = - x (a) Show that the x-coordinate of any point on the curve at which the gradient is 3 satisfies th
  11. June 2023, Paper 1, Q11 (10 marks): The height h cm of a sunflower plant t days after planting the seed is modelled by h a b ln t = + for t 9 , where a and b are constants. The sunflower is 10 cm
  12. June 2023, Paper 1, Q14 (6 marks): (a) Use the laws of logarithms to show that log 200 log 20 is equal to 1. [2] - 10 10 The first three terms of a sequence are log 20 , log 200 , log 2000 . 10 1
  13. June 2023, Paper 3, Q9 (9 marks): A small country started using solar panels to produce electrical energy in the year 2000. Electricity production is measured in megawatt hours (MWh). For the pe
  14. June 2023, AS Paper 1, Q9 (9 marks): x 9 The graph shows the function y e . = y x O x 2 x (a) Describe the transformation of the graph of y e that gives the graph of y e . [2] = = x A second functi
  15. June 2023, AS Paper 1, Q10 (7 marks): Layla invests money in the bank and receives compound interest. The amount £L that she has after 1 023t t years is given by the equation L 2800 . . = # (a) (i)
  16. June 2022, Paper 1, Q14 (13 marks): Alex places a hot object into iced water and records the temperature i °C of the object every minute. e kt The temperature of an object t minutes after being pl
  17. June 2022, Paper 2, Q3 (6 marks): 4x 3 (a) On the axes in the Printed Answer Booklet, sketch the curve with equation y 3 . . [3] = # x (b) Given that 3 0 4 . 0 8 . , determine the value of x cor
  18. June 2022, AS Paper 2, Q3 (3 marks): Ae . 0 02 t 3 You are given that y . = • Make t the subject of the formula. • Find the value of t when y 108 107 and A 6 62 . . [3] = = #
  19. November 2021, Paper 3, Q5 (8 marks): x 5 (a) The diagram shows the curve y e . = y x O On the axes in the Printed Answer Booklet, sketch graphs of y against x, d (i) [1] x d y against y. d (ii) [2]
  20. November 2021, AS Paper 1, Q11 (10 marks): On the day that a new consumer product went on sale (day zero), a call centre received 1 call about it. On the 2nd day after day zero the call centre received 3
  21. November 2021, AS Paper 2, Q5 (7 marks): In 2019 scientists developed a model for comparing the ages of humans and dogs. According to the model, Y = AlnX + B where X = dog age in years and Y = human ag
  22. November 2020, Paper 3, Q6 (12 marks): (a) (i) Write down the derivative of ekx, where k is a constant. 6 [1] (ii) A business has been running since 2009. They sell maths revision resources online. G
  23. November 2020, Paper 3, Q12 (8 marks): ln x 12 (a) Show that the only stationary point on the curve y occurs where x = e, as given in = x line 45. [3] (b) Show that the stationary point is a maximum.
  24. November 2020, AS Paper 1, Q11 (9 marks): In this question you must show detailed reasoning. 1 1 (a) A student is asked to solve the inequality x 4 . 2 1 + The student argues that x 1 4 x 1 16 , so that
  25. November 2020, AS Paper 2, Q11 (10 marks): - . 11 A car is travelling along a stretch of road at a steady speed of 11ms 1 The driver accelerates, and t seconds after starting to accelerate the speed of t
  26. June 2019, Paper 3, Q7 (4 marks): In this question you must show detailed reasoning. (a) Express ln 3 ln 9 ln 27 in terms of ln3. [2] # # (b) Hence show that ln 3 ln 9 ln 27 2 6 . [2] # #
  27. June 2019, AS Paper 2, Q9 (10 marks): In 2012 Adam bought a second hand car for £8500. Each year Adam has his car valued. He believes that there is a non‑linear relationship between t, the time in y
  28. June 2018, Paper 2, Q5 (3 marks): (i) (A) Sketch the graph of y = 3x. 5 [1] (B) Give the coordinates of any intercepts. [1] The curve y = f(x) is the reflection of the curve y = 3x in the line y
  29. June 2018, Paper 3, Q5 (11 marks): A social media website launched on 1 January 2017. The owners of the website report the number of users the site has at the start of each month. They believe th
  30. June 2018, Paper 3, Q9 (4 marks): x e 9 The function ( )x is defined on the domain x x f , 0 . R ! = d x 1 e - f 1 (i) Find ( )x [3] - . f 1 (ii) Write down the range of ( )x [1] - . a 4
  31. June 2018, AS Paper 1, Q11 (13 marks): The intensity of the sun’s radiation, y watts per square metre, and the average distance from the sun, x astronomical units, are shown in Fig. 11 for the planet
  32. June 2018, AS Paper 2, Q1 (2 marks): Write down the value of (A) loga (a4), [1] b l. 1 (B) loga a [1]
  33. June 2018, AS Paper 2, Q12 (10 marks): In an experiment 500 fruit flies were released into a controlled environment. After 10 days there were 650 fruit flies present. Munirah believes that N, the num

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