Find  and the domain of the composite function.
?

?

A.

Domain of : all real numbers x


B.

Domain of : all real numbers x


C.

Domain of : all real numbers x


D.

Domain of : all real numbers x


E.

Domain of : all real numbers x



Answer: B

Mathematics

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Provide an appropriate response.If Rt = , where R1 = 3,300 and R2 = 4,700, then Rt =

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Provide an appropriate response.Simplify:   ?  

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

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Find the derivative of the function.y = x4cos x - 8x sin x - 8 cos x

A. -4x3 sin x - 8 cos x + 8 sin x B. x4 sin x - 4x3 cos x + 8x cos x C. -x4 sin x + 4x3 cos x - 8x cos x - 16 sin x D. -x4 sin x + 4x3 cos x - 8x cos x

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Simplify.

A. 3x
B. 3
C.
D. -3x

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