Pls answer it i wil give more points

Which expression is equivalent to the expression shown?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.