Mathematics, 16.01.2020 15:31 masonsee4ytube
Given: f(x) = x² and g(x) = 2x + 1, find f[g(x)].
Answers: 3
![(f_ {0} g) (x) = f [g (x)]](/tpl/images/0457/7883/fcbb2.png)
![(f_ {0} g) (x) = f [2x + 1] = (2x + 1) ^ 2 = (2x) ^ 2 + 2 (2x) (1) + 1 ^ 2 = 4x ^ 2 + 4x + 1](/tpl/images/0457/7883/0f640.png)
![f [g (x)] = 4x ^ 2 + 4x + 1](/tpl/images/0457/7883/728d8.png)
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Given: f(x) = x² and g(x) = 2x + 1, find f[g(x)]....
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