Question

Determine the range of the function f(x)=5x-3 when the domain is {0, 2, 4}.

{-3, 7, 17}

{0, 10, 20}

{3, 13, 23}

{0, 2, 4}

Answer 1

Solution:

f(x) = 5x - 3
f(0) = 5(0) - 3 = -3
f(2) = 5(2) - 3 = 7
f(4) = 5(4) - 3 = 17

range = {-3, 7, 17}