SOLUTION: Let f(x) = 2x - 1 and g(x) = x² - 1 f( 1 / g(4) ) = ?

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Question 177809: Let f(x) = 2x - 1 and g(x) = x² - 1
f( 1 / g(4) ) = ?

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
g(4)=%284%29%5E2-1=15
:
f(1/g(x))=f(1/15)=2(1/15)-1=(2/15)-1=highlight%28-13%2F15%29