How long one can hold their breath can be calculated using the formula y=1.4g where y is the amount of time one can hold their breath in seconds and g is the size of their lungs in cubic centimeters.

Question

Is this a relation or a function? Explain why.

Please Help!!
Thanks!!

Answer 1

What do you think? We will be happy to critique your thinking.

What is a function?

Answer 2

A function is a relation between two sets in which one element of the second set is assigned to each element of the first set.

Answer 3

so there is one and only one value of y for every value of g.
therefore y is a function of g

Answer 4

Thank you for your explanation.