This graph the answer to your problem.
Answer:
1,500 tickets in total (375 adult tickets and 1,125 children tickets)
Step-by-step explanation:
Let x be the number of adult tickets sold.
Three times as many children tickets were sold as adults, so 3x is the number of children tickets sold.
Children tickets were three dollars, so 3x children tickets cost 
Adult tickets were seven dollar, so x adult tickets cost 
The school sold $6000 worth of tickets.
Hence,

Answer:
6
√
(
3
x
+
5
)
(
3
x
−
2
)
Step-by-step explanation:
Answer:
It should be C
Step-by-step explanation:
B is a quadratic function and A is a linear line.
Competition is most intense between closely related species that use the same resources, as both species are competing for these limited resources.