Determine all critical points for the function.f(x) = 5x3 - 3x5

A. x = -1 and x = 1
B. x = -1
C. x = 1
D. x = 0, x = -1, and x = 1

Answer: D

Mathematics

Find the angle between the given vectors to the nearest tenth of a degree.u = , v =

A. 6.0° B. 22.0° C. 12.0° D. -4.0°

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Mathematics

Find the root. Round to three decimal places if necessary.

A. 3.137 B. 5.292 C. 9.333 D. 3.037

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Mathematics

Find the inverse of the function.f(x) = (x - 6)2, x ? 6

A. f^-1(x) = , x ? 6
B. f^-1(x) = - + 6, x ? 0
C. Not a one-to-one function
D. f^-1(x) = + 6, x ? 0

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Mathematics

Find the domain. Write interval notation for the answer.f(x) =

A. (-?, 0) ? (3, ?) B. (-?, -3) ? (-3, 0) ? (0, ?) C. (-?, -3) ? (-3, 1) ? (1, ?) D. (-?, -3) ? (0, ?)

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Mathematics