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October 21, 2014

October 21, 2014

Posted by **tani** on Thursday, October 17, 2013 at 12:08am.

f(x)=3x g(x)=1/x

f(g)*(x)=3x(1)/x

x=2

3x(1)/x=6

g(f)*(x)=(3x)=2*3x=6

x=2

3*(2)=6*6=36

- algebra functions check my answer -
**Steve**, Thursday, October 17, 2013 at 4:20amf(g) = 3g = 3(1/x) = 3/x

g(f) = 1/f = 1/(3x)

f(g) does not mean f*g, it means "f of g".

Since "f of x" is 3x, "f of g" is 3g.

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