Precalculus Rate of Change

During a snowstorm, John measured the total snowfall accumulated at the end of each hour.  He recorded his results in the table below.  What is the approximate average rate of change of the snowfall between 1 p.m. and 6 p.m.?

• 0.7 inch/hour

• 0.9 inch/hour

• 1.1 inch/hour

• 1.4 inch/hour

Which rate of change represents the graph shown?

• -15 feet per minute

• 15 feet per minute

• -200 feet per minute

• 200 feet per minute

What is the average rate of change between hour 15 and hour 30?

• $93.75/hr

• $6.25/hr

• $43.75/hr

• $6.75/hr

What is the rate of change in the equation?
y=8x+6

• 8

• 6

is represented by the table above:

is represented by the equation y = 2x – 4.

Which statement is true?

• Function 1 has a greater rate of change than Function 2.

• Function 2 has a greater rate of change than Function 1.

• They have the same rate of change

• Function 1 has a positive rate of change, and Function 2 has a negative rate of change.

What does the rate of change represent in this situation?

• The sloth runs 1 feet in 3 minutes

• The sloth runs 3 feet in 1 minute

• The sloth runs fast

• The sloth runs 6 feet in 1 minute

The figure shows the graph of a function f for 0 ≤ x ≤ 5. Which of the following statements is true about the rate of change of f?

• The rate of change of f is positive and increasing.

• The rate of change of f is positive and decreasing.

• The rate of change of f is negative and increasing.

• The rate of change of f is negative and decreasing.

What is the rate of change for Function C?

• 2/3

• 3/2

• 3

• 2

Who has the greater rate of change?

• They have the same rate of change.

Find the rate of change

• 1/2

• 2

• -1/2

• Not a constant rate of change exponential

• Not a constant rate of change quadratic