In a sale, there is 25% off all prices. a chair costs £100 before the sale. how much was it in the sale?

The graph of g(x) is a translation of y = which equation represents g(x)?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

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.