Answer: n= number of books
n+5=?
Step-by-step explanation:
Answer:
(f•g)(x) = (x - 4)² + 1
then
(f•g)(10) = (10 - 4)² + 1 = 6² + 1 = 37
-16
fog(x)=f(gx)
= -5×4+4
= -20+4
= -16