5n +8=-7 two step equations - intergers

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

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.