Answer:
{3, 5, 6, 7 }
Explanation:
to find the range of f(x) substitute the given values of x from the domain into f(x)
f(- 3) = - (- 3) + 4 = 3 + 4 = 7
f(- 2) = - (- 2) + 4 = 2 + 4 = 6
f(- 1) = - (- 1) + 4 = 1 + 4 = 5
f(1) = - 1 + 4 = 3
range y ∈ {3, 5, 6 , 7 }