Below is a dot plot showing how much time customers spent in a store, rounded to the nearest five minutes. Which of the following is a representative sample of this population? NEED THIS BAD PLEASE HELP ME

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

Which table represents points on the graph of h(x) = 3√-x+2?

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?