The range of the function f(x) = x + 5 is {7, 9}. what is the function’s domain?
a.{2, 4}
b.{-2, -4}
c.{12, 14}
d.{-12, -14}
e.{0, 5}

Range = y values

domain = x values

Plug 7 for y

7 = x + 5

Solve for x

2 = x

Plug 9 for y

9 = x + 5

Solve for x

4 = x

Domain {2, 4}

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