Find the specified domain.Find the domain of (f + g)(x) when f(x) = 3x + 9 and g(x) = 

A. (-?, 8) ? (8, ?)
B. (-?, -8) ? (-8, ?)
C. (-?, -2) ? (-2, ?)
D. (-?, ?)


Answer: A

Mathematics

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A. fx = (1 + 2x2) e(x2 + y2 + z2); fy = 2xye(x2 + y2 + z2); fz = 2xze(x2 + y2 + z2) B. fx = (1 + 2x2) e(x2 + y2 + z2); fy = xe(x2 + y2 + z2); fz = xe(x2 + y2 + z2) C. fx = 2x2e(x2 + y2 + z2); fy = xye(x2 + y2 + z2); fz = 2xze(x2 + y2 + z2) D. fx = (1 + 2x2) e(x2 + y2 + z2); fy = xy2e(x2 + y2 + z2); fz = xz2e(x2 + y2 + z2)

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A.

B.

C.

D.

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Find the derivative.s = 3t2 - 6t + 1

A. 6t2 - 6 B. 3t2 - 6 C. 3t - 6 D. 6t - 6

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Find the exact value of and

What will be an ideal response?

Mathematics