Answer:
The vertical line test can be used to determine whether a graph represents a function. ... If we can draw any vertical line that intersects a graph more than once, then the graph does not define a function because that x value has more than one output. A function has only one output value for each input value.
Step-by-step explanation:
I think it is b hope it’s write
The answer is b, as angles ABC is the first half of the angle.
It lies in the 4th quadrant.
You want to isolate the variable 'y'.

Subtract 10 to both sides:

Divide -3 to both sides: