If f(x)=2x+1 and g(x)= x² +3 find g(f(x)) and simplify completely.

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BillyBBone asked Nov 19, 2022

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If f(x)=2x+1 and g(x)= x² +3 find g(f(x)) and simplify completely.

Mathematics
high-school

BillyBBone asked Nov 19, 2022

by BillyBBone

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8 votes

Answer:

(4x^2) + (4x) + 4

Explanation:

Let a = f(x) = 2x+1

g(a) = a^2 + 3 = (2x+1)^2 + 3 = 4x^2 + 4x + 4

Eli Lansey answered Nov 20, 2022

by Eli Lansey

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18 votes

Answer:

4x²+ 4x +4

Explanation:

g(f(x)) = (2x + 1)² + 3

= 4x² + 4x + 1 + 3

= 4x²+ 4x +4

AgentRev answered Nov 23, 2022

by AgentRev

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