# precalc

• Feb 22nd 2009, 12:32 AM
precalc
Find the indicated value, if f(x) = 4x - 17.

f -1(1)=
• Feb 22nd 2009, 02:07 AM
Use the same method as I showed you in http://www.mathhelpforum.com/math-he...ecalculus.html to find $f^{-1}(x)$, and then plug in the value x = 1.