Need helppp plz

( 5 , - 2 )

Step-by-step explanation:

In order for a relation to be a function the x value may not repeat.

If you were to add the ordered pair, ( 5 , - 2 ) , the x value "5" would repeat leading to the relation not being a function

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval