Use technology to calculate det A.A =

A. 168
B. -168
C. -48
D. -120

Answer: B

Mathematics

Find .y = (x2 + 4x)cos x

A. - (sin x) ln (x² + 4x)
B. (x² + 4x)^{cos x}
C. (x² + 4x)^{cos x}
D. - (sin x) ln (x² + 4x)

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Mathematics

Evaluate the piecewise-defined function at the indicated value. f(x) = { ; f(-4)

A. -5 B. -8 C. 3 D. 8

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Mathematics

Write the expression in radical notation.31/3

A.
B.
C.
D.

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Mathematics

Graph the system of inequalities.y - x ? 5x + y ? 3y - 3x ? -1

A.

B.

C.

D.

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Mathematics