An item is regularly priced at $80 they got a discount for 15% how much did they pay?

Which equation matches the graph shown ?

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

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.