Question

Maaattttthhhhh , i need help

Given that f(x) = 2x + 1 and g(x) = the quantity of 3x minus 1, divided by 2, solve for g(f(3)).

a. 5
b.7
c.9
d. 10

Answer 1

The answer should be D. 10.

Substitute x for the number 3 in the first equation.

f(x)=2(3)+1, then solve to get x=7

Substitute 7 for x in the second equation

g(x)=(3(7)-1)/2
g=(21-1)/2
g=(20)/2
g=10