If I'm understanding this correctly you mean:
If a vertical line does not connect to more than one point in a relation then that relation is a function.
Then your answer is A-True.
That is called the vertical line test. The vertical line cannot touch more than one point at the same time if it is a function. If it does touch then it is not a function.
I think 54 is the answer of this puestion
The answer is D..... sorry I have to put the dots cause it says I need to type more
Answer:
270 Different Combo's
Step-by-step explanation:
