Pls solve ASAP for 20 points

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?

Which of the following is the true for f(x) = 5cos

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?