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May 28, 2015

May 28, 2015

Posted by **fredrich** on Thursday, March 4, 2010 at 9:35pm.

- honors algebra 1 -
**math**, Thursday, March 4, 2010 at 9:48pmcomposition function

g(f(x))

so where ever you see x in the g(x) equation plug in f(x)

so do the reverse

g(x)= (1/2)x

so when you check your work

g(f(x))= (1/2(2x)) ----> the 1/2 and the 2 cancel and you are left with just x so it checks!