Can someone me out with this puzzle

60

Step-by-step explanation:

$40 is 4xs as much as $10...$10 gets you 15...$10 times 4 is $40...so 15 times 4 is 60...so you get 60 for $40

360

Step-by-step explanation:

15/3=5

60/15=4

number decreases by 1

60 x 3=180

180 tickets for $30

180 x 2=360

360 tickets for $40

answer is 360

the circle graph is not a function.

step-by-step explanation:

the graph of the circle is not a function.

because for a graph to be a function, each value of x must give one value of y

in the circle, the values of x for -2< x< 2 each give 2 values of y.

hence this is not a function.