Use the diagram at the right. Find DC. Then find DF. Round decimals to the nearest tenth. please help!!

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

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with