1. What is the leading term of the function f(x) = 9+ 4x3 – 8x2 + 5x?
A. 4x³
B.-8x2
C. 5x
D. 9
2. What are the x-intercepts of the function f(x) = x4 + x3 – 8x2 – 12x?
A. 2,2,3
B. -2,-2,3
C. 0,2,2,3
D. 0,-2,-2,3
3. What is the y-intercept of the polynomial function f(x) = x" + x3 – 8x2 – 12x?
A. 0
B. 4
C. 8
D. 12
4. What is the factored form of the function f(x) = x3 + 4x2 - *- 4?
A. f(x) = (x - 1)(x + 1)(x - 4) C. f(x) = (x - 1)(x + 1)(x + 4)
B. f(x) = (x + 1)(x + 1)(x +4) D. f(x) = (x - 1)(x - 1)(x-4)
5. What are the roots of the function y = x3 + x2 - 8x - 12?
A. 2,2, and 3
B.-2, -2, and 3
C. 2,-2, and 3
D. -2,-2, and - 3
6. If you will draw the graph of y = x²(x - 1), how will you sketch it with respect
to the x-axis?
A. Sketch it crossing at both (0,0) and (1,0).
B. Sketch it tangent at both (0,0) and (1,0).
C. Sketch it crossing (0,0) and tangent at (1,0).
D. Sketch it tangent (0,0) and crossing at (1,0).
7. What are the end behaviors of the graph of f(x)=r3 + 4x2 - x - 4?
A. Falls to both directions
B, Rises to both directions
C. Falls to the left and rises to the right
D. Rises to the left and falls to the right​