Proportional or Non-Proportional

Non-Proportional

Step-by-step explanation:

It goes through (0,0) ; (1,1) ; so it should go through (2,2) ; but it goes through (4,2). Therefore it is not proportional.

answer

the correct answer is

explanation

the given function is

the excluded values are obtained by solving:

we factor to obtain:

the excluded values are

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.