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G(x) = 2x + 3 f(x)=2x+1 Find (gºf)(9)

User Nicomp
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1 Answer

5 votes

Composite functions

g(x) = 2x + 3

f(x)=2x+1

2) To find (gºf) we need to plug into the "x" of the g(x) the values of f(x). And then operate it. Like this.

(gºf) = 2(2x+1) +3

(gºf) = 4x +2 +3

(gºf) = 4x +5

User Maninda
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