Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.f(x) = x3 + x2 - 42x
A. 0, multiplicity 1, crosses the x-axis
7, multiplicity 1, crosses the x-axis
-6, multiplicity 1, crosses the x-axis
B. 0, multiplicity 1, touches the x-axis and turns around;
- 7, multiplicity 1, touches the x-axis and turns around;
6, multiplicity 1, touches the x-axis and turns around
C. 0, multiplicity 1, crosses the x-axis
- 7, multiplicity 1, crosses the x-axis
6, multiplicity 1, crosses the x-axis
D. - 7, multiplicity 2, touches the x-axis and turns around
6, multiplicity 1, crosses the x-axis
Answer: C
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A.
B.
C.
D.
Find functions f and g so that F(x) = (f ? g) (x).F(x) =
A. f(x) = , g(x) = 8x - 6
B. f(x) = x, g(x) = 8x + 6
C. f(x) = , g(x) = 8x + 6
D. f(x) = -, g(x) = 8x + 6
Solve the equation or inequality. ? 0
A.
B. ?
C.
D.
Give the equation of the vertical asymptote(s) of the rational function.g(x) =
A. x = 0, x = 2, x = 7 B. x = 2, x = 7 C. x = 1, x = -2, x = -7 D. x = -2, x = -7