m3rk098 m3rk098
  • 02-05-2018
  • Mathematics
contestada

hey can you please help me posted picture of question

hey can you please help me posted picture of question class=

Respuesta :

Louli
Louli Louli
  • 02-05-2018
Answer:
f⁻¹(x) = [tex] \frac{x+6}{7} [/tex]

Explanation:
To get the inverse of a function, we will follow these steps:
1- replace f(x) with y
2- swap the x and y variables
3- solve for y
replace y with f⁻¹(x)

Applying this to the given as follows:
f(x) = 7x - 6

Step 1: replace f(x) with y:
y = 7x - 6

Step 2: swap the x and y variables:
x = 7y - 6

Step 3: solve for y:
7y = x + 6
y = [tex] \frac{x+6}{7} [/tex]

Step 4: replace y with f⁻¹(x):
f⁻¹(x) = [tex] \frac{x+6}{7} [/tex]

Hope this helps :)
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