4. Given the function /(x) = --(x+1) -4, Which graph is the graph of y = /(x)? [1] Put the graph number for your answer in the box 3 7 5. Calculate the instantaneous rate of change of the function y = 2x - 3x at x =1 numerically, approximate to 3 significant digits. [3]2 1 1 -. Express roofs) as non decimal exact values in simplest form. [5] 1. Solve ballague 2. Determine the value of & for which the polynomial expression a' the' + or -4 gives a remainder of 12 when divided by x - 1. [3] 3. Given the graph of a polynomial function, determine its equation. [4] (-3.6) world