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trapecia [35]
3 years ago
15

Maaattttthhhhh , i need help

Mathematics
1 answer:
faltersainse [42]3 years ago
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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