Module 4 Linear and Nonlinear Functions Review

Is this a function? Explain.

• Yes; it passes the horizontal line test.

• No; it is not a straight line.

• Yes; it passes the vertical line test.

• No; there is a line connecting the dots.

Tom is a 13-year-old 7^th grade-beginning scientist at North Pocono Middle School. Every morning, Tom walks along a straight road from his home to the bus stop. Below, is a graph representing Tom’s trip to school.
I.)  What is the distance covered through the first segment if the first segment is between o seconds, and 50 seconds?

• 100 meters

• 80 meters

• 60 meters 

• 120 meters

At 60 seconds, how far had this object traveled? 

• 0 m

• 10 m

• 20 m

• 40 m

Is the equation linear or nonlinear?

• Linear

• Nonlinear

Is the equation linear or nonlinear?

• Linear

• Nonlinear

A cell phone company charges $20 per month plus $.13 per text. Which equation represents this?

• B = .13t + 20

• B = 20.13t

• B = 20t + .13

• B = 20t + .13t

Adrianna has $20 in her savings account. Each week she will add $5 to it. Which equation represents this situation?

• y=25x

• y=20x+5

• y=5x+20

• y=5x

Is the graph a function?

• Function

• Not a Function

What is happening in this graph from point B to C?

• The object is going down a hill.

• The object is returning to its starting location.

• The object is slowing down.

• The object is staying still.

Is function represented by the table linear or nonlinear?

• linear

• nonlinear