73.7k views
1 vote
What is the inverse of the function f(x) = 2x – 10?

User Emiles
by
8.6k points

2 Answers

3 votes

Answer:

h(x) = 2x + 5

Explanation:

I took the test

User Koenigsberg
by
7.9k points
0 votes
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
User Thecrispywisp
by
8.4k points

No related questions found