Is this a function?
A) yes
B) No

yes because I bealive for the points to come there must have been a equation

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

step-by-step explanation:

b and c