Show that the function f has an inverse by showing that it is strictly monotonic.f(x) = -3x - 2x3

What will be an ideal response?


f'(x) = -3 - 6x2 < 0 for all x. Thus, f is monotonic decreasing on the whole real line and so it has an inverse there.

Mathematics

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Graph the function by plotting points.g(x) = - x - 4

A.

B.

C.

D.

Mathematics

Simplify the given expression by giving the results in terms of one-half the given angle. Then use a calculator to verify the result.

A. 0.891 B. 0.642 C. 1.782 D. 1.2601

Mathematics

Multiply. Simplify the answer completely.-  ?  

A. - 
B.
C. - 
D.

Mathematics

What are the odds against selecting a white chip?

A. 70% B. 3 to 7 C. 7 to 3 D. 30%

Mathematics