Question

If the range of the function f(x) = 4 − 4x is {-20, -16, -8, 0, 4}, what is its domain?

Answer 1

{0, 1, 2, 4, 6}

{2, 3, 5, 6, 7}

{1, 3, 5, 7, 9}

{0, 1, 3, 5, 6}