tinasmith7286
tinasmith7286 tinasmith7286
  • 18-06-2020
  • Mathematics
contestada

Determine whether the two functions are inverses.

f(x) = 5x+4 and g(x)=x-4/5

The two functions are inverses.
The two functions are not inverses.

Respuesta :

wifilethbridge wifilethbridge
  • 23-06-2020

Answer:

The two functions are inverses.

Step-by-step explanation:

We are supposed to find whether the two functions are inverses.

[tex]f(x)=5x+4[/tex]

[tex]g(x)=\frac{x-4}{5}[/tex]

To find the inverse of f(x)

y = 5x+4

y-4=5x

[tex]\frac{y-4}{5}=x[/tex]

Replace x with y and y with x

So, [tex]\frac{x-4}{5}=y[/tex]

So, [tex]\frac{x-4}{5}=g(x)[/tex]

So,The two functions are inverses.

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