Algebra II problem

Question

Algebra II problem

anonymous · Answer

heres the problem

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

i really need someone to show me how to solve this

hero · Answer

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:
$f^{-1}(7) = \space?$

anonymous · Answer

so 2 thanks my hero lol

anonymous · Answer

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

anonymous · Answer

what about this one

amistre64 · Answer

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