Jika f(x)=xpangkat2 + 1 dan 9 (x)=2x-1,maka (f o g) (x)=
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f(x) = x² + 1
g(x) = 2x - 1
[tex] \: [/tex]
(f o g)(x)
= (2x - 1)² + 1
= ((2x)² -2.2x.1 + 1²) + 1
= 4x² - 4x + 1 + 1
= 4x² - 4x + 2
[tex]\red{\boxed{ \green\bigstar ~ \orange{\mathcal{A}thena ~ \mathcal{R}alinsha} ~ \green{ \bigstar}}}[/tex]
