Sarah kicked a ball in the air. The function f models the height of the ball (in meters) as a function of time(in second) after Sarah kicked it. Which of these statements are true?
A)The ball reached its highest point after about 3.5s
B)The ball reached its highest point after about 14s
C) The ball moved downwards until about 1.75s
D)The ball moved downwards after about 1.75s

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?