Question

Find the domain values of the function f(x)= 2x + 7 when the given range are {1, -1, 3}.

Answer 1

(-3,-4,-2)

Explanation:

You are given the y-values and want to find the x-values.

1 = 2x +7

-6 = 2x

-3 = x

-1 = 2x +7

-8 = 2x

-4 = x

3 = 2x +7

-4 = 2x

-2 = x