Isabella wants to amuse dragons and unicorns by giving them joke books. she wants to amuse a total of at least 14 dragons and unicorns (condition a), with 108 joke books at most (condition b).

the graph represents the constraints on the number of dragons d and unicorns u isabella amuses.

isabella amuses 222 dragons. how many unicorns can she amuse to meet both her constraints?
choose 1
choose 1

(choice a)
a
isabella doesn't have enough joke books left to amuse any unicorns.

(choice b)
b
at least 14 unicorns and at most 18 unicorns.

(choice c)
c
exactly 15 unicorns.

(choice d)
d
at least 12 unicorns and at most 15 unicorns.

Time (minutes) amount of water (gallons) practice 1. jin fills up a 510-gallon pool in the backyard for her children. she fills it with the garden hose at a rate of 17 gallons per minute. after it is filled, she lets it sit for 30 minutes in order to let the water temperature rise. the children then get in and have fun for an hour. the pool loses about 5 gallon of water each minute due to their splashing and playing. at the end of the hour, they tear the pool while getting out, which causes a leak the pool then begins to lose water at a rate of 2 gallons per minute. a. complete the table to show the amount of water in the pool after each minute. b. create a graph to model the problem situation. include when the pool will be empty. c. write a piecewise function that models this problem situation. explain your reasoning for each piece of the function. d. identify the x- and y-intercept. explain what they mean in terms of the problem situation, atamantha a cul 80 100 120 150 200 ning, inc