JDizzleeee
JDizzleeee JDizzleeee
  • 09-07-2020
  • Mathematics
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If f(x) =1/4x+14, then f^-1(x)=

If fx 14x14 then f1x class=

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MathTutors
MathTutors MathTutors
  • 09-07-2020

Answer: f⁻¹(x)=4x-56

Step-by-step explanation:

f⁻¹(x) is the inverse of f(x). To find the inverse, we replace the y with x, and x with y. Once we do that, we solve for y.

[tex]x=\frac{1}{4}y+14[/tex]                 [subtract 14 on both sides]

[tex]x-14=\frac{1}{4}y[/tex]                 [multiply both sides by 4]

[tex]4(x-14)=y[/tex]               [distribute 4]

[tex]4x-56=y[/tex]

[tex]f^-^1(x)=4x-56[/tex]

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