I need to know what is the (surface area) please help me

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

If you are just building your payment history, how many points from a perfect score will you possibly miss?

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.