I believe the answer is 7x-y
Answer:
4/3
Step-by-step explanation:
Answer:
B
using SOHCAHTOA
COS THETA WILL BE EQUALS TO ROOT 5/3 AND TAN THETA WILL BE EQUALS TO 2ROOT 5/3
#3 is not a function because there are two answers for one out put
#4 is a function because it is a straight line