SOLUTION: if f(x)=x^2-x and g(x)=x-1, what is f(g(x))?

Algebra.Com
Question 253353: if f(x)=x^2-x and g(x)=x-1, what is f(g(x))?

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
if f(x)=x^2-x and g(x)=x-1, what is f(g(x))?
-----------------
f[g(x)] = f[x-1]
= (x-1)^2-(x-1)
---
= x^2-2x+1 -x+1
---
= x^2 - 3x + 2
================================
Cheers,
Stan H.

RELATED QUESTIONS

What is [g * f](x) if f(x)= x^2 + 1 and g(x)=... (answered by Gogonati)
if f(x)=x^2 and g(x)=2^x what is... (answered by Deina)
if f(x)=1/(x-3) and g(x)=f(6x) what is... (answered by Fombitz)
f(x)=x^2+1,g(x)=x-2. What is f(g(x)) and... (answered by josgarithmetic)
If f(x) = 2x + 1 and g(x) = x^2, what is f ○ g? What is g ○... (answered by rothauserc)
If f(x) = 2x + 1 and g(x) = x^2, what is f â—‹ g? What is g â—‹... (answered by josgarithmetic)
If f(x) = 4x – 1 and g(x) = x2 + 2x + 2, what is f(g(x)) ? (answered by stanbon)
If f(x)=2x-1 and g(x)=x^2 find : 1. g(g(x)) 2. g(f(x)) 3. f(g(x)) 4.... (answered by fcabanski)
What is f(g(x)) and g(f(x)). f(x)= 2x^2+1, g(x)=... (answered by josgarithmetic)