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If ƒ(x) = 4x² and g(x) = 5x, what is g(ƒ(2x)) ?

If ƒ(x) = 4x² and g(x) = 5x, what is g(ƒ(2x)) ?
asked 75.5k views
4 votes
If ƒ(x) = 4x² and g(x) = 5x, what is g(ƒ(2x)) ?

asked
User Demelziraptor
by
8.8k points

1 Answer

7 votes

Given
f(x)=4x^2,g(x)=5x. Now


f(2x)=4(2x)^2=16x^2.

Thus,


image

answered
User Kzhen
by
7.4k points
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