Question

What is the vaule of ( f o g)(-5) ?

f(x) = 2x + 1; g(x)= x^2

A. - 49
B. -19
C. 51
D. 11

Answer 1

It's C

Explanation:

g(-5) = (-5)^2 = 25

so (f o g)(-5)

= 2(25) + 1

= 51