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1.7.18 Chain rule (A-level only)

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Question 42

The volume $V$ , in cubic centimetres, of a gas within a high-pressure bellows pump is modelled by the function

\frac{4000}{(2t - 1)^3}, \quad t > 0.5

where $t$ is the time in seconds.

Determine the equation of the tangent to the curve $V (t)$ at the instant $t = 1.5$ . Give your answer in the form $V = m t + c$ .

[4]

Markscheme

1.7.18 Chain rule (A-level only) Questions

A Level
Maths
1.7.18 Chain rule (A-level only)

74 exam-style questions on OCR A Level Maths 1.7.18 Chain rule (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

1.7.18 Chain rule (A-level only)

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1.7.18 Chain rule (A-level only)

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Question 42

The volume $V$ , in cubic centimetres, of a gas within a high-pressure bellows pump is modelled by the function

\frac{4000}{(2t - 1)^3}, \quad t > 0.5

where $t$ is the time in seconds.

Determine the equation of the tangent to the curve $V (t)$ at the instant $t = 1.5$ . Give your answer in the form $V = m t + c$ .

[4]

Markscheme

1.7.18 Chain rule (A-level only) Questions

A Level
Maths
1.7.18 Chain rule (A-level only)

74 exam-style questions on OCR A Level Maths 1.7.18 Chain rule (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.