Answer:
Linear function
Step-by-step explanation:
x y Ist difference
-6 -27 -
-5 -21 -21 - (-27) = 6
-4 -15 -15 - (-21) = 6
-3 -9 -9 - (-15) = 6
-2 -3 -3 - (-9) = 6
Since, Ist difference is common in the given table,
(Common difference = 6)
It's a linear function.
