Add or subtract as indicated. Express the answer as a single polynomial in standard form.(3x3 + 12x2) - (5x3 + 12x2)

A. -2x3 + 0x2
B. -2x5
C. 8x3 + 24x2
D. -2x3 + 24x2

Answer: A

Mathematics

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Graph the function.y = 

A.

B.

C.

D.

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Evaluate.cos(cos-1 0.3796 + cos-1 0.6533) (Round to the nearest ten-thousandth when necessary.)

A. -0.317 B. 0.8918 C. -0.4525 D. 0.9485

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Write the following in terms of sin ? and cos ? and then simplify if possible. ? ?

A.
B. ?
C. ?
D. ?
E. ?

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Solve and graph the solution set on a number line.2 +  ? 5

A. (-?, -8] ? [4, ?)

B. [-8, 4]

C. (-?, -4] ? [8, ?)

D. [-4, 8]

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