Write a polynomial function that has the given zeros.-8, -7, 0
A. f(x) = x3 - 15x2 + 56x
B. f(x) = x3 - 15x2 - 56x
C. f(x) = x3 + 15x2 - 56x
D. f(x) = x3 + 15x2 + 56x
Answer: D
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Use the rational zero theorem, Descartes's rule of signs, and the theorem on bounds as aids in finding all real and imaginary roots to the equation.3x4 - 20x3 + 44x2 - 80x + 128 = 0
A. 
, 4, -2i, 2i
B. 
, 4, -4i, 4i
C. 
, 4, -i, i
D. - 
, -4, -2i, 2i
Use the figure to solve the inequality.
f(x) ? g(x)
A. {x|x < -1 or x > 3}; (-?, -1) or (3, ?) B. {x|-1 < x < 3}; (-1, 3) C. {x|x ? -1 or x ? 3}; (-?, -1] or [3, ?) D. {x|-1 ? x ? 3}; [-1, 3]
Solve the equation and check your proposed solution.-3x = -12
A. 9 B. 2 C. -9 D. 4
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.x = -7
A. x-intercept: (-7, 0), m: - 
B. x-intercept: (0, -7), m: 0
C. x-intercept: (0, 0), m: -7
D. x-intercept: (-7, 0), m: undefined