Exercises: Recognize Sequences as Functions

Work through each section in order. Show your work where indicated.

Grade 9·20 problems·~30 min·Common Core Math - HS Functions·group·hsf-if-a-3

Work through problems with immediate feedback

Recall / Warm-Up

The sequence 5, 8, 11, 14, 17, ... is graphed on the coordinate plane with $n$ on the horizontal axis. Which graph is correct?

A solid straight line through the plotted points.

Isolated dots at $(1,5)$ , $(2,8)$ , $(3,11)$ , $(4,14)$ , $(5,17)$ with no line connecting them.

A curve connecting all plotted points.

Points at $(5,1)$ , $(8,2)$ , $(11,3)$ , $(14,4)$ , $(17,5)$ .