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I. MULTIPLE CHOICE: Encircle the letter of the best answer. 1. How should the polynomial function f(x) = 1/2x - x2 + 11x + 2xl be written in standard form? a) f(x) = 11x4 + 2x3 + 1/2x - x2 c) f(x) = 11x4 + 2x - x2 + 1/2x b) f(x) = -x2 + 1/2x + 2x3 + 11x4 d) f(x) = 1/2x - x2 + 2x3 + 11x4 2. If you will draw the graph of y = x(x+2), how will you sketch it with respect to the x-axis? a) Sketch it crossing both (-2,0) and (0,0) b) Sketch it crossing (-2,0) and tangent at (0,0) c) Sketch it tangent at (-2,0) and crossing (0,0) d) Sketch it tangent at both (-2,0) and (0,0) 3. What are end behaviors of the graph of f(x) = -2x + x2 + 3x3 - 4? a) Rises to the left and falls to the right c) rises to both directions b) Falls to the left and rises to the right d) falls to both directions wing a sketch of the graph of y=2x3+3x2
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