If f(x)=3x2+3x+2,
then f(x-1)=3(x-1)2+3(x-1)+2.
Simplify this by squaring the first term out, then distributing.
f(x-1)=3(x2-2x+1)+3x-3+2=3x2-6x+3+3x-3+2.
Combine like terms and get your answer.
Corey S.
asked • 05/05/14How to solve this?
Find f(x-1) when f(x)=3x^2+3x+2
1.) -3x+3x+2
2.) 3x^2 -3+8
3.) none of these
4.) 3x^2 -3x+2
5.) 3x^2 +9x +8
1.) -3x+3x+2
2.) 3x^2 -3+8
3.) none of these
4.) 3x^2 -3x+2
5.) 3x^2 +9x +8
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