Answer:
81
Step-by-step explanation:
i added it all
The answer is 9
One square is equal to one. for the rest just substitute the x and y for the given values
Answer:
kk
Step-by-step explanation:
About 3.8 hours, if asking for a whole number round to 4
To be a function each different x value would have a different Y value.
First one is a function, there are no repeated Y values.
The second one is a function.
Third one is not a function because it has two identical Y values with different x values.
The fourth one is a function.
