Question

F(x)= | x-4 | - 9, find f(-7)

Answer 1

2

Explanation:

Given

f(x) = | x - 4 | - 9, then

f(- 7) = | - 7 - 4 | - 9

= | - 11 | - 9 ( absolute value returns a positive value )

= 11 - 9

= 2