All points of the step function f(x) are graphed.
What is the range of f(x)?
A. β3, β2, β1, 0, 1
B. β2, β1, 0, 1
C. all real numbers such that β3 < y β€ 1
D. all real numbers such that β2 < y β€ 1
please help asap thank you so much
