Question 21 on this pictured math sheet please. Have a great day!

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asked Feb 19, 2021 80.8k views

4 votes

Question 21 on this pictured math sheet please. Have a great day!

Mathematics
middle-school

Ggasp asked

by Ggasp

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Answer:

Explanation:

$f(x) = 2x - 1.....(1) \\ g(x) = 3x + 5....(2) \\ plug \: x = 5 \: in \: (2) \\ g(5) = 3 * 5 + 5 = 15 + 5 = 20 \\ \therefore \: f(g(5)) = 2 * 20 - 1 = 40 - 1 = 39 \\ \\ \huge \red{ \boxed{\therefore \: f(g(5)) =39}}$

Aimee Jones answered Feb 23, 2021

by Aimee Jones

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