Answer:
The answer is 46
Step-by-step explanation:
f(x) = 4x + 30
g(x) = x - 1
In order to find (fºg)(5) first find ( f • g)(x)
To find ( f • g)(x) substitute g(x) into f(x) that's for every x in f (x) replace it with g(x)
So we have
( f • g)(x) = 4(x -1) + 30
= 4x - 4 + 30
( f • g)(x) = 4x + 26
To find (fºg)(5) substitute the value of x that's 5 into (f • g)(x)
That's
(fºg)(5) = 4(5) + 26
= 20 + 26
We have the final answer as
(fºg)(5) = 46
Hope this helps you
