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Hi! I really need help with figuring out how to do #2, I just don't get how it's done and really need an explanation! thanks in advance :)​

Hi! I really need help with figuring out how to do #2, I just don't get how it's done-example-1

1 Answer

4 votes

Answer:

18

Explanation:

g(3)+f(4)

=3²+1+2×4

=9+1+8

=18

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