Wednesday
October 22, 2014

Homework Help: Pre-Cal

Posted by Hannah on Monday, March 15, 2010 at 11:25pm.

1)find f(g(x))

f(x) = x^2 + 2x g(x) = 1/x

x^3 + 2x

Is this correct?

2) solve: 3^x-1 = 10

ln 3/ ln 10 = .264

Is this correct? I am not sure how to do these.

3) Solve: 3^x+2 - 4 = 12

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