This was an exceptionally dry year for portions of the southwestern United States. Monthly precipitation in Phoenix, Arizona, was recorded in the table and is modeled by y = –0.04088x2 + 0.4485x + 1.862. In what month did Phoenix receive the highest amount of precipitation? Month (x) Precipitation January 2.27 inches February ? March ? April ? May ? June ? July ? August ? September 2.59 inches October ? November ? December ? Sketch a graph or fill in the table to answer the question. April May June July Question 2(Multiple Choice Worth 2 points) The table represents a quadratic function f(x). x f(x) −4 7 −3 6 −2 7 −1 10 0 15 1 22 2 31 If the equation of the function f(x) is written in standard form f(x) = ax2 + bx + c, what is the value of b? 3 6 16 22 Question 3(Multiple Choice Worth 2 points) A swimming pool is to be constructed in a 1,176-ft2 backyard. There is to be a fence that will surround a 14-by-28-foot pool. The pool builder wants to build a concrete paver deck of a uniform width, x, surrounding the pool and filling the entire area of the backyard. What is the width of the pool deck? 7 ft 14 ft 28 ft 56 ft Question 4(Multiple Choice Worth 2 points) Kira is a lovable dog who is full of energy. Her owner thought it would be fun to train her by throwing a frisbee for her to catch. When the frisbee is thrown, it follows a parabolic path that is modeled by the function h(t) = – 0.145t2 + 0.019t + 5.5. How many seconds will it take for the frisbee to hit the ground? –6.2 seconds –6.1 seconds 5.5 seconds 6.2 seconds Question 5(Multiple Choice Worth 2 points) Martin is saving money to buy a new phone that costs $1,000 by selling trees. He is using an app to manage his sales, but it keeps a fraction of each sale. His net pay is modeled by the function P(x) = x2 + 20x – 196, where x represents the number of sales. How many sales does Martin need to make to earn $1,000? 10 sales 26 sales 46 sales 1,296 sales You must check the box below prior to submitting your exam! Check this box to indicate you are ready to submit your exam Instructors monitor ALL areas of a student's account Student e-mail accounts are to be used for FLVS course-related email only and not for general introductions or spamming of people in your address book. Please remember to click the Logoff link when you have completed your work in the course. FDK51.12