If f = {(2,5), (3, 2) (4, 6), (5, 1), (7, 2)}, then f is a function.
True or false

This function is True

Step-by-step explanation:

Since there is one value of  y  for every value of  x .

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

jwjwkwkwkkkdjebd b jdjejdndj he jenej