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.
Answer: The simplified form is 
Step-by-step explanation:
Since we have given that
As we know the "Exponential law":
So, it becomes
Now, at last it becomes,
Hence, the simplified form is
Integer means a whole number , a number that is not fraction
Katie did not specifically said what numbers , the numbers can be fraction and it would not be called integer so that is Katie's error
Answer:
67.5cm^2
Step-by-step explanation:
area of a triangle is 0.5xaxb
Answer: She would need 32
Step-by-step explanation:
