Answer:
90
Step-by-step explanation:
It is a function. Every x value is different.
Answer: 560 tickets
Step-by-step explanation:
3/4 = 420/x; now cross multiply:
3x = 4(420)
3x = 1,680; now divide both sides by 3, and you get x = 560
-10/8 and + 15/8. Those should work.
It is b. 48 because f(x) is 3