Why must Kyle's and Tynessa's pattern rules be the same, even though their algebraic expressions look different?

Kyles algebraic expression based on his coloring
f(n)=2+2(n+1)

Tynessa's algebraic expression based on his coloring
4+2n

Not question a) tho

Why must Kyles and Tynessas pattern rules be the same even though their algebraic expressions look differentKyles algebraic expression based on his coloringfn22 class=