Back to Interpret the equation y = mx + b as defining a linear function — Problem 1 · Task Set 16

Exercises: Linear and Nonlinear Functions

Work through each section in order. Show your work where indicated. For each function, remember the key test: a function is linear when its rate of change is constant.

Grade 8·22 problems·~30 min·Common Core Math - Grade 8·container·8-f-a-3

Work through problems with immediate feedback

Recall / Warm-Up

A rule takes an input, multiplies it by 4, then adds 1. Why does this rule define a function?

Because every output is a positive number

Because each input produces exactly one output

Because the graph passes through the origin

Because the inputs are all whole numbers