Find the following.f'(-2) if f(x) = -8x3 - 2x2 + 7

A. -81
B. -88
C. 27
D. 20


Answer: B

Mathematics

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Provide an appropriate response.The life expectancy (in years) of a keyboard is distributed exponentially with k = . If the keyboard's warranty lasts 2 years, what is the probability that a keyboard will break down after the warranty expires?

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

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Add.  16,914  2147  +  25,416

A. 45,577 B. 44,577 C. 44,477 D. 43,477

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Rationalize the denominator and simplify. The variable represents a positive real number. 

A.
B.
C.
D.
E.

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Insert <, >, or = to form a true statement.0.31  0.32

A. < B. = C. >

Mathematics