cocoa14 cocoa14
  • 08-06-2017
  • Mathematics
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What is the inverse of the function f(x) = 2x – 10?

Respuesta :

bcalle
bcalle bcalle
  • 08-06-2017
Steps to finding the inverse:
1. Replace f(x) with y.
2. Swap x and y.
3. Solve the equation for y.

f(x) = 2x - 10
1. y = 2x - 10
2. x = 2y - 10
3. Add 10 to both sides
x + 10 = 2y
Divide both sides by 2
(x + 10)/2 = y
y = (x + 10)/2
f^-1(x) = (x + 10)/2
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