PLEASE HELP An advertising agency would like to add 4 new clients to their client base each week. Which type of function best models the number of clients the agency would like to add to their client base over time?

A. a linear model with a slope of 4
B. a linear model with a y-intercept of 4
C. an exponential model with a growth factor of 4
D. an exponential model with a y-intercept of 4

David bought a poster for an art project. the poster is 2.7 feet wide and 3.9 feet tall. what is the area of the poster?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?