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Derivatives and Their Applications · Paper 2 — Free Maths AI HL Practice Questions

1MasterySAQ-SDefinition of a derivative (rate of change)6 marksPaper 2~9 min
The graph of y=f(x)y = f(x) for −2≤x≤4-2 \leq x \leq 4 is shown below. A tangent line is drawn to the curve at point PP where x=1x = 1. The tangent line passes through the points (−1,1)(-1, 1) and (3,5)(3, 5).
(a)
Calculate the gradient of the tangent line at PP. [2 marks]
(b)
The tangent line at PP has equation y=x+2y = x + 2. Determine the xx-coordinate of the point where this tangent line intersects the line y=3x−4y = 3x - 4. [2 marks]
(c)
Calculate the average rate of change of ff between x=−2x = -2 and x=4x = 4. Give your answer as an exact fraction. [2 marks]
diagram

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