The polynomial is given in one of the three forms: standard, root, or factored. Change it to the specified form. f(x) = -4x2 + 4x + 80; write in root form

A. f(x) = 4(x - 5)(x + 4)
B. f(x) = - (x - 5)(x + 4)
C. f(x) = -4(x + 5)(x - 4)
D. f(x) = -4(x - 5)(x + 4)


Answer: D

Mathematics

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A.

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B.

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C.

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D.

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Assuming that the equations define x and y implicitly as differentiable functions   find the slope of the curve   at the given value of t.2x + 4x3/2 = t3 + t, y(t + 1) - 4t = 9, t = 0

A. -6
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