What is the domain of the step function f(x) = [2x1 - 1?
(1x2-1)
• 1x1x21)
(x1 x is an integer)
{xlx is a real number}

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint