Lesson 4.7 - Average Rate of Change

The temperature was recorded at several times during the day.

Function T gives the temperature in degrees Fahrenheit,  n hours since midnight.

Decide if the average rate of change is positive, negative, or zero from n = 1 to n = 5.

• positive

• negative

• zero

The temperature was recorded at several times during the day.

Function T gives the temperature in degrees Fahrenheit,  n hours since midnight.

Decide if the average rate of change is positive, negative, or zero from n = 5 to n = 7.

• positive

• negative

• zero

The temperature was recorded at several times during the day.

Function T gives the temperature in degrees Fahrenheit,  n hours since midnight.

Decide if the average rate of change is positive, negative, or zero from n = 10 to n = 20.

• positive

• negative

• zero

The temperature was recorded at several times during the day.

Function T gives the temperature in degrees Fahrenheit,  n hours since midnight.

Decide if the average rate of change is positive, negative, or zero from n = 15 to n = 18.

• positive

• negative

• zero

The temperature was recorded at several times during the day.

Function T gives the temperature in degrees Fahrenheit,  n hours since midnight.

Decide if the average rate of change is positive, negative, or zero from n = 20 to n = 24.

• positive

• negative

• zero

The graph shows the total distance, in feet, walked by a person as a function of time, in seconds.

Was the person walking faster between 20 and 40 seconds or between 80 and 100 seconds?

• 20 and 40 seconds

• 80 and 100 seconds

The graph shows the total distance, in feet, walked by a person as a function of time, in seconds.

Was the person walking faster between 0 and 40 seconds or between 40 and 100 seconds?

• 0 and 40 seconds

• 40 and 100 seconds

The height, in feet, of a squirrel running up and down a tree is a function of time, in seconds. 

Which average rate of change describes the squirrels movement if the squirrel runs up the tree very fast.

• The average rate of change is negative.

• The average rate of change is zero.

• The average rate of change is small and positive.

• The average rate of change is large and positive.

The height, in feet, of a squirrel running up and down a tree is a function of time, in seconds. 

Which average rate of change describes the squirrels movement if the squirrel starts and ends at the same height.

• The average rate of change is negative.

• The average rate of change is zero.

• The average rate of change is small and positive.

• The average rate of change is large and positive.

The height, in feet, of a squirrel running up and down a tree is a function of time, in seconds. 

Which average rate of change describes the squirrels movement if the squirrel runs down the tree

• The average rate of change is negative.

• The average rate of change is zero.

• The average rate of change is small and positive.

• The average rate of change is large and positive.