Composite Functions
f(x) = 2x+1g(x) = x -1
 Find (f º g)(x)


2x+1
2x2+1
2x-1
 x
f(x) = 3x-2g(x)= x+1
   Find (g º f)(x)  
True
3x-1
3x+1
3x2-2
f(x) = 2x-2g(x)= x2
Find (f º g)(x)
x2+2x-2
2x2-4
2x2-2 
2x2-4x+4
f(x)=2x+2g(x)=3x+2 
Find (g º f)(x)

5x+4
6x+4
6x2+4
6x+8
Find (f º g)(x)
   f(x) = -5x  g(x) = x+5
-5x-5
-5x+5
-5x-25
-5x2+5
f(x)=x2+3x+2g(x)=3x
 Find (g º g)(x)
3x2+6x+2
9x
3x3+9x2+6x
6x2
g(x)=x5+20x f(x)=2x
Find (f º f)(2)

4
16
8
4x2
f(x) = x+1g(x) = 2x-3
(f º g)(2)
2
6
3
4
f(x) = x4g(x) = x
(f º g)(0)
4
-1
5
f(x) = x2+2x+2g(x) = x-1
(f º g)(3)
x3+2x-2
  7
 16
10 
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