josie5030
josie5030 josie5030
  • 09-05-2020
  • Mathematics
contestada

Which function is the inverse of f(x) = -5x - 42

Respuesta :

ItzMikeSS
ItzMikeSS ItzMikeSS
  • 09-05-2020

Answer: [tex]\frac{x+42}{-5}[/tex]

Step-by-step explanation:

To find the inverse of a function, follow these steps:

First step: Rewrite [tex]f(x)[/tex] as y

[tex]y=-5x-42[/tex]

Second step: Swap x and y.

[tex]x=-5y-42[/tex]

Third step: Solve for y.

[tex]x+42=-5y\\\frac{x+42}{-5}=y[/tex]

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