Question

If f(x) = 2x + 3 and g(x) = x^2 + 1,find f(g(3)).
A.) 23
B.) 47
C.) 82
D.) 90

Answer 1

The answer is A). 23. 
g(x)= 2x + 3 
g(x) = x^2 + 1 
g(3) = 10 
f(g(3)) 
= f(10) 
= 23