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3.6 Differentiation (A-level only)

3.6 Differentiation (A-level only)

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Question 246

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]
Markscheme

3.6 Differentiation (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.6 Differentiation (A-level only)

333 exam-style questions on WJEC A Level Maths 3.6 Differentiation (A-level only), covering 3.6.1 Differentiation (A-level only), 3.6.2 Differentiation (A-level only), 3.6.3 Differentiation (A-level only), 3.6.4 Differentiation (A-level only), 3.6.5 Differentiation (A-level only), 3.6.6 Differentiation (A-level only), 3.6.7 Differentiation (A-level only), and 3.6 Differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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