Question A cook has 2 2/3 cups of flour. A recipe calls for 2 3/4 cups of flour. Does the cook have enough flour? If not, how much more flour is needed?

No the cook doesn't have enough flour.

Step-by-step explanation:

You first need to find a common denominator of twelve. So you are 1/12 a cup of flour short.

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value