Question 51 of 108 in Unit 10

Graphs 9

3 marks · Normal

Differentiate the function with respect to and find the value of the gradient at .

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Gradient at x = 2 is 76 (±0)

Also accept: 76

Common mistakes: Wrong differentiation; Wrong substitution order

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Marking points

M1 · 1 mark · Attempts to differentiate each term.

A1 · 1 mark · Correct derivative:

A2 · 1 mark · Substitutes and obtains gradient 76. (follow-through)

Worked solution

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