3 years ago

Maaattttthhhhh , i need help

1 answer:

5 0

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
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