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Mathematics 18 Online
OpenStudy (anonymous):

Algebra II problem

OpenStudy (anonymous):

heres the problem

OpenStudy (anonymous):

i have no idea......but i do know when dealing with multiple choice choose the answer that is different from the other which would be -2 since its the only one with a sign

OpenStudy (anonymous):

please give me a medal and become my fan for trying... :( :) :( :)

OpenStudy (anonymous):

i really need someone to show me how to solve this

hero (hero):

You are Given: \(f^{-1}(x) = \dfrac{x-1}{3}\) Plug in 7 in place of x: \(f^{-1}(7) = \dfrac{7-1}{3}\) Simplify the right side: \(f^{-1}(7) = \space?\)

OpenStudy (anonymous):

so 2 thanks my hero lol

OpenStudy (anonymous):

You are Given: f−1(x)=x−13 Plug in 7 in place of x: f−1(7)=7−13 Simplify the right side: f−1(7)= -2

OpenStudy (anonymous):

what about this one

OpenStudy (amistre64):

3,f(3) of course, plug in x=3 into the rule defined by f(x)

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