Find the inverse function.
f(x) =
f-¹(x) =
=
=
2x+5
4
4x + [?]
[
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Answer: [tex]f^{-1} (x)=\frac{4x-5}{2}[/tex]
Step-by-step explanation:
Let [tex]f(y)=x\\[/tex].
[tex]\implies x=\frac{2y+5}{4}\\\\4x=2y+5\\\\4x-5=2y\\\\y=\frac{4x-5}{2}\\\\\therefore f^{-1} (x)=\frac{4x-5}{2}[/tex]