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​