Question

If f(x) = |x + 7|, find f(–12).

A.
–5

B.
5

C.
–19

D.
19

Answer 1

Please explain in your own words what f(-12) means. It tells us to do something. What?

Answer 2

Evaluate an absolute value function for given values.

Answer 3

Right. So, if the function is f(x) = |x+7|, and you want f(-12), simply substitute x=-12 into the function. Simplify the expression within | |, find the absolute value of that, and then you'll have your answer.

Answer 4

the answer is 5 i got it

Answer 5

Cool. Nice work!