Janelle has 4hours and 20 minutes of dance class in 2weeks.
Try it yourself, I'll explain the concept
In a function, each x-value matches to exactly one y-value
If it matches to more than one y-value, it is not considered a function
Now look at the x and y values in each table to determine if it is a function or not
:)
1 hundredth+3 tenths= 3 hundredths
