Question

The range of the function f(x)=7x-8 is 13. Find its domain.​

Answer 1

Answer: 3

Explanation:

7x -8 = 13

7x = 13 + 8

7x = 21

x = 21/7

x = 3

Answer 2

Range is y. This means 7x-8=13
7x=21
X=3
X is domain so the domain is 3 when the range is 13