Answer:
-15
Step-by-step explanation:
f(x)=9-4|x+1|
We want to find f(5)
The means we want to find the value when x=5
f(5) =9-4|5+1|
= 9-4|6|
The absolute value is positive so the absolute value of 6 is 6
= 9 - 4*6
= 9 -24
=-15