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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) for −2≤x≤4 is shown below. A tangent line is drawn to the curve at point P where x=1. The tangent line passes through the points (−1,1) and (3,5).
(a)
Calculate the gradient of the tangent line at P. [2 marks]
(b)
The tangent line at P has equation y=x+2. Determine the x-coordinate of the point where this tangent line intersects the line y=3x−4. [2 marks]
(c)
Calculate the average rate of change of f between x=−2 and x=4. Give your answer as an exact fraction. [2 marks]