liyahisspecial liyahisspecial

29-06-2020
Mathematics

contestada

Which is the inverse of the function f(x) = 4x − 9?

y = 4(x + 9)

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

30-06-2020

Answer:

The inverse is 1/4x + 9/4

Step-by-step explanation:

f(x) = 4x − 9

y = 4x -9

Exchange x and y

x = 4y -9

Solve for y

Add x to each side

x+9 = 4y

Divide by 4

1/4x + 9/4 = y

The inverse is 1/4x + 9/4

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