The following sets of ordered pairs are functions. Give a

rule that could describe each function.

A.{(5,3),(7,5),(11,9),(14,12)}
B. {(2,5),(3,10),(14,7),(5,26)}

f(x) = x-2

f(x) = x^2 + 1
If (14,7) should be (4,17) :-(