Skip to content
MathsGenie logo
Quick links
Open app

Course home

  1. A Level
  3. Maths OCR (MEI)
  5. Question bank

1.9.17 Concavity and the second derivative (A-level only)

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940414243444546
Question 38

The function fff is defined for x>0x > 0x>0 by

f(x)=3x−10x+2f(x) = 3x - 10\sqrt{x} + 2f(x)=3x−10x​+2
a.

Solve the equation f(x)=10f(x) = 10f(x)=10.

[3]
b.

Solve the equation f′′(x)=516f''(x) = \frac{5}{16}f′′(x)=165​.

[4]

1.9.17 Concavity and the second derivative (A-level only) Questions

  1. A Level
  2. /Maths
  3. /1.9.17 Concavity and the second derivative (A-level only)