Question

Solve for f(-7).
f(x) = 5 - X
f(-7) = [?]
Enter

Answer 1

`f(-7)=12`

Explanation:

`f(x)=5-x\\\\\text{Substitute 'x' for '-7' and solve.}\\\\f(-7)=5-(-7)\\\\f(-7)=5+7\\\\\boxed{f(-7)=12}`

Hope this helps.

Answer 2

f(-7)=5-(-7)
f(-7)=5+7
f(-7)=12