MATH 0120 Final: Math 0120 Final Exam (0120) sample 4-338
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Sample final exam (1) (a) using the graph below, nd the coordinates of the point c. [ 10 points ] 1 x (b) using the derivative function you found in (a) above, nd the equation of the tangent line to f (x) above at the point (2, 1. 2 (4) (a) the quantity, q, of a certain skateboard sold depends on the selling price, p, so we write q = f (p). You are given that f (140) = 15, 000 and f (140) = 100. [ 8 points ] (b) state the coordinates of the point a. Calculate the coordinates of the points b dx . [ 12 points ] and c using the gure below. Recall : f (x) can also be written as dy. Cab44. 2y = f (x)the tangent to the graph of f at af (4) = 25f " (4) = 13. 9(5) (a) find dy dx (do not simplify your answer).
