Which of the following expressions represents the quotient over nine times a number and seven 9n divided by 7 9n - 7 9(n + 7)

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

Find the solution of each of the following.