# Functions and Relations Question

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[math]f(x)=-3/4x+5[/math]

- [math]f^-1(x)=(3x-5)/4[/math]
- [math]f^-1(x)=3/4(x-5)[/math]
- [math]f^-1(x)=(-4x-5)/3[/math]
- [math]f^-1(x)=(-4x+20)/3[/math]