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If f(x)= 8x and g(x)=2X+1 find (fog) (x)

User Lautaro
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2 Answers

5 votes
(fog) (x) = 8*(2x+1)=16x+8
User Ashley Mercer
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6.3k points
2 votes

Answer:


16x + 8

Explanation:

Given,


f(x)= 8x------(1),


g(x)=2x+1------(2)


(fog)(x)=f(g(x)) ( Decomposition of functions )


=f(2x+1) ( From equation (2) )


=8(2x+1) ( From equation (1) )


=16x+8 ( By distributive property )

Hence,


(fog) (x) = 16x + 8

User Jim Jarnac
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5.9k points