1.a function is a relation.
select one:
a. always
b. sometimes
c. never

5.find the range of f(x) = –x + 4 for the domain {–3, –2, –1, 1}
select one:
a. {3, 2, 1, –1}
b. {7, 6, 5, 3}
c. {1, 2, 3, 5}
d. {–7, –6, –5, –3}

answer: 140

step-by-step explanation:

so just add all then it will be your answer but i am not pretty sur eif it is but hope this i am here to people

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.