Graph the function.f(x) = 

A.

B.

C.

D.


Answer: D

Mathematics

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Simplify.(4 cos 8x - 8 sin 4x cos 4x) 2 + (8 sin 4x cos 4x + 4 cos 8 x)2

A. 4 cos2 4x B. 4 cos2 8x C. 32 D. 16

Mathematics

Find an equation of the parabola described.Focus at (5, 0); vertex at (0, 0)

A. x2 = 5y B. x2 = 20y C. y2 = 5x D. y2 = 20x

Mathematics

Sketch the graph of the given equation over the interval [-2?, 2?].y = 2 cos x 

A.

B.

C.

D.

Mathematics

Write the function F(x) as a composition of f, g, or h.f(x) = x2 + 1g(x) = 7xh(x) = F(x) = 7x2 + 7

A. F(x) = (h ? g)(x) B. F(x) = (g ? f)(x) C. F(x) = (g ? h)(x) D. F(x) = (f ? g)(x)

Mathematics