Question

Did I do it right? The range of the function f(x) = x + 5 is {7, 9}. What is the function’s domain?
{2, 4}
{-2, -4}
{12, 14}
{-12, -14}
{0, 5}

A? Just checking

Answer 1

@dan815

Answer 2

@amistre64

Answer 3

yep, 2+5 and 4+5 get us 7 and 9

Answer 4

Okay just wanted to make sure that 7&9 go where f(x)

Answer 5

Thanks

Answer 6

x+5 = 7,9
-5 -5

x = 2,4