If f(x) = (-x)^3, what is f(-2)?

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asked May 26, 2019 198k views

2 Answers

Nominal Animal · Answer 1 · 2019-05-30T14:19:00+0000

Firstly, substitute the given value of x.

$f(x) = ( - x)^(3) \\ f( - 2) = ( - ( - 2))^(3)$
Next, distribute the negative sign. Like signs make a positive value.

( - ( - 2)) = 2

Lastly, solve the exponent.

2 ^(3) = 8

Therefore:

f( - 2) = 8

If f(x) = (-x)^3, what is f(-2)?

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