Question

what is the inverse of the function f(x) = 2x – 10?

Answer 1

f(x) = 2x - 10

let y = f(x)

y = 2x - 10    solving for x.

y + 10 = 2x

2x = y + 10

x = (y + 10)/2

Recall   f(x) = y.   Implies  x = f⁻¹(y)

x = (y + 10)/2

f⁻¹(y) = (y + 10)/2

So as well:

f⁻¹(x) = (x - 10)/2

Answer 2

Answer:

h(x) = 2x + 5

Step-by-step explanation:

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