Sketching Graphs and Comparing Functions

Which equation has the larger y-intercept?

• Equation A

• Equation B

• They have the same y-intercept

How does the rate of change (slope) differ from each raft company?

• $15 per hour for Ryan's Rafts

• $3.75 per hour more for Water's Edge Rafts

• $5 per hour for Water's Edge Rafts

• $1 per hour more for Ryan's Rafts

How much more would you pay for a phone per week at store A compared to store B?

• $5

• $15

• $10

• $50

Over what interval is this function constant?

• −5 < x < ∞

• −3 < x < 4

• 4 < x < ∞

• −5

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

List the types of intervals that the graph demonstrates in order.

• decreasing, constant, increasing, constant

• increasing, decreasing, constant

• increasing, constant, increasing, constant

• increasing, constant, decreasing, constant

Is the graph increasing, decreasing or both?

• It is not increasing or decreasing

• increasing

• decreasing

• both

At what intervals does the elevation remain the same?

• 0 - 2 seconds and 8 - 9 seconds

• 2 - 4 seconds and 6 - 8 seconds

• 4 - 6 seconds

• The elevation never remains the same.

How would you describe the graph of the function in interval 2? Select all that apply.

• The function is increasing.

• The slope is negative.

• The function is decreasing.

• The function is constant.

• The slope is positive.

The graph shows the altitude of an airplane over time. In which intervals is the graph of the function decreasing? Select all that apply.

• 5

• 7

• 1

• 3

• 6