Express the sum or difference as a product.cos 8x - cos 2x

A. 2 cos 3x
B. -2 sin 5x sin 3x
C. -2 cos 5x sin 3x
D. 2 cos 5x cos 3x


Answer: B

Mathematics

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Write a true sentence using either < or >.0.667  __  1.333

A. 0.667 < 1.333 B. 0.667 > 1.333

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Use the graph of f(x) to solve the inequality.f(x) > 0

A. -1 < x < 0 or x > 1 B. 1 < x < 2 C. x < -1 or 0 < x < 1 D. -1 < x < 0 or 1 < x < 2

Mathematics

Provide an appropriate response.Solve:  = x

Fill in the blank(s) with the appropriate word(s).

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Determine whether the equation is an identity, a conditional equation, or an inconsistent equation.16x + 15(x + 1) = 31(x + 1) - 16

A. Identity B. Conditional equation C. Inconsistent equation

Mathematics