Use the given information about the polynomial function f(x) to write its complete factored form.f(x) = 9x2 + 55x - 56; zeros: -7 and 
A. f(x) = 9(x + 7)
B. f(x) = 9(x - 7)
C. f(x) = (x - 7)
D. f(x) = (x + 7)
Answer: A
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Express the indicated derivative in terms of the function F(x). Assume that F is differentiable.Dx(F(5x))
A. F'(5x) B. 5F'(x) C. 4F'(5x) D. 5F'(5x)
Classify the quantity as a constant or a variable.The number of days in the month of July
A. Variable
B.
| Constant |
Solve the problem.A satellite dish is shaped like a parabola. The signals that are received by the dish strike the surface of the dish and are reflected to a single point, where the receiver of the dish is located. If the dish is 12 feet across at its opening and 3 feet deep at its center, at what position should the receiver be placed?
A. 3 feet from the base along the axis of symmetry B. 0.4 feet from the base along the axis of symmetry C. 9 feet from the base along the axis of symmetry D. 12 feet from the base along the axis of symmetry
Solve the system of equations.x + 2y +z + 6w = -4x + y + 2z +w = -1x + y +z + 2w= -3
A. (w - 4, -4w - 1, -w + 2, w) B. (-7w + 4, 4w - 1, w + 2, w) C. No solution D. (w - 4, -4w - 1, w + 2, w)