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3.2.3 Algebra and Functions (A-level only)

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Question 22

The function $d$ is defined by $\frac{1}{3}e^{4v+1}$ for $\in \mathbb{R}$ , where $d$ is the displacement of a mechanical actuator and $v$ is the input voltage.

Find $d^{-1}(x)$ and state its domain.

[4]

Markscheme

3.2.3 Algebra and Functions (A-level only) Questions

A Level
Maths
3.2.3 Algebra and Functions (A-level only)

57 exam-style questions on WJEC A Level Maths 3.2.3 Algebra and Functions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

3.2.3 Algebra and Functions (A-level only)

Question bank

3.2.3 Algebra and Functions (A-level only)

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

Question 22

The function $d$ is defined by $\frac{1}{3}e^{4v+1}$ for $\in \mathbb{R}$ , where $d$ is the displacement of a mechanical actuator and $v$ is the input voltage.

Find $d^{-1}(x)$ and state its domain.

[4]

Markscheme

3.2.3 Algebra and Functions (A-level only) Questions

A Level
Maths
3.2.3 Algebra and Functions (A-level only)

57 exam-style questions on WJEC A Level Maths 3.2.3 Algebra and Functions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.