Sketching and Interpreting Functions

Which statement is true about this function?

• The function is never constant

• The function is always increasing

• The function is never decreasing

• The function increases on the interval 11:00 < x < 15:00

Which statement is true about this graph?

• This function is always constant

• This function is always increasing

• This function is never increasing

• This function is both increasing and decreasing

Which table(s) represent nonlinear functions?

• Table 1, only.

• Table 2, only

• Tables 1 and 3, only

• Tables 2 and 3, only

Find the rate of change

• 3

• 1/3

• -1/3

• -3

Which graph is linear?

• Graph A

• Graph B

• Graph C

• Graph D

Is the function Linear or Nonlinear? Increasing, decreasing both or neither? 

• Linear; neither increasing or decreasing

• Nonlinear; both increasing and decreasing

• Linear; increasing 

• Nonlinear; increasing 

When is the velocity decreasing?

• 0 < t < 60

• 40 < t < 60

• 15 < t < 40

• −40 < t < 0

Over what interval is the graph increasing?

• -2 < x < -1

• -1 < x < 2

• x > 4

• 2 < x < 4

Where is the graph constant?

• x > 4

• -1 < x < 2

• x < -4

• 2 < x < 3

Which graph matches the following situation? Parker steadily increases her speed for some time, then she maintains a constant rate.

• 1

• 2

• 3