Comparing Functions and Linear/Nonlinear Equations

Which of the function(s) above are linear?

• Function I, only

• Function II, only

• Function I and Function II, only

• Function I, Function II, and Function III

Which table(s) are nonlinear?

• Table 2, only

• Tables 2 and 3, only

• Tables 1 and 2, only

• Tables 2 and 4, only

Which equations represent linear functions?

• Equations 1 and 2, only

• Equations 1 and 4, only

• Equations 2 and 3, only

• Equations 1, 3, and 4, only

Which graph(s) show nonlinear functions?

• Graph I, only

• Graph II, only

• Graph I and Graph II, only.

• Graph I, Graph II, and Graph III

• The functions have the same y-intercept

• The functions have a positive slope

• The functions have the same slope

• The functions are both linear

Which statement is true?

• A

• B

• C

• D

• The functions have the same y-intercept

• The functions have a positive slope

• The functions have the same slope

• The functions are both linear

• A

• B

• C

• D

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for 8 movies in one month?

• Beth's service ($38 vs. $40) is cheaper

• Nate’s service ($42 vs. $44) is cheaper

• Nate’s service ($38 vs. $40) is cheaper

• Beth's service ($42 vs. $44) is cheaper

Compare the function to the function represented in the graph. Select all that are true.

• The functions have the same y-intercept

• The functions have a positive slope

• The functions have the same slope

• The functions are both linear