SOLUTION: I need help with this problem please: If f(x) = ln x and g(x) = {{{1/x}}}, write the equation for f o g

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Question 994395: I need help with this problem please:
If f(x) = ln x and g(x) = 1%2Fx, write the equation for f o g
Found 2 solutions by stanbon, Boreal:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If f(x) = ln x and g(x) = 1%2Fx, write the equation for f o g
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f{g(x)] = f[1/x] = ln(1/x) = -ln(x)
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Cheers,
Stan H.
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Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Put the value of g in for the x in f.
f(x)=ln x, but it now becomes ln (1/x)= -ln x