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Answer :

[tex]\begin{gathered} y=f(x)=2x-5 \\ \text{Add 5 both sides} \\ y+5=2x \\ x=\frac{y+5}{2} \\ f^{-1}(x)=\frac{y+5}{2} \\ \text{Thus, the C is correct.} \end{gathered}[/tex]

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