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October 21, 2014

October 21, 2014

Posted by **marie** on Saturday, March 23, 2013 at 10:34am.

a. find f(g(x))

b. find g(f(x))

c. determine whether the functions f and g are inverse of each other.

I have no clue where to even begin!

- math -
**Steve**, Saturday, March 23, 2013 at 1:41pmf(g) = g^3-2 = (3sqrt(x+2))^3-2 = 27(x+2)sqrt(x+2)-2

g(f) = 3sqrt(f+2) = 3sqrt(x^3) = 3xsqrt(x)

if they are inverses, g(f) = f(g) = x

Obviously they are not inverses

- math -
**marie**, Saturday, March 23, 2013 at 3:42pmthanks alot

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