Which link between two elements could you remove from the relation so that it becomes a function?

a) 2 and d or 5 and d
b) 2 and d or 3 and b
c) 3 and b or 3 and e
d) 3 and b or 4 and b

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in

If i had 1234 apples and 1 banana what is the total amount