Answer:
18
Step-by-step explanation:
That's if the 2 equations are equal
The answer would be B 21/4
Answer: 2 + 1 = 3 2 x 1 =2
Step-by-step explanation: + 7 = 7
That's not a function.
Since a vertical line hits the graph more than once, if fails the test. (See graph below)
If it is a function, any vertical line you draw can only hit the graph once.