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PART 1: CALCULUS Part A: Answers Only - 1 Mark Each Write the simplified answer in the box provided. Include units where appropriate. 1. For function f(x) = 0.5x, state a) the average rate of change from x = -1 to x = 1 b) the instantaneous rate of change at x = 0 2. State the derivative of the following functions a ) y = - - b ) y = - c) y = 2cos(x2) d) y = 2x e) y = - - ny = ex 2