183k views
5 votes
If f(x) = 2x + 3 and g(x) = x2 + 1,find f(g(3)).

A 23
B47
C82
D90

1 Answer

1 vote
g(3) = 3^2 + 1
g(3) = 10

f [ g(3) ] = f [ 10 ]
= 2 [10] + 3
= 20 + 3
= 23

The answer is A
User Cristian Necula
by
7.3k points