Denise G. answered • 01/07/21

Algebra, College Algebra, Prealgebra, Precalculus, GED, ASVAB Tutor

I graphed this to see that at x=0

B. *f* is decreasing

Emmanuel A.

asked • 01/07/21At **x = 0**, which of the following is true of the function ** f** defined by

A. *f* is increasing

B. *f* is decreasing

C. *f* has a relative minimum

D. *f* has a relative maximum.

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Denise G. answered • 01/07/21

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I graphed this to see that at x=0

B. *f* is decreasing

Yefim S. answered • 01/07/21

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f'(x) = 2x - 2e^{-2x}, f'(0) = - 2 < 0. So, x = 0 belong to interval where f(x) decreasing.

Decreasing at x = 0 is incorrect quation.

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