Tammy is driving a racecar. The table below gives the distance Dt (in meters) she has driven at a few times t (in seconds) after she starts.

Tammy is driving a racecar The table below gives the distance Dt in meters she has driven at a few times t in seconds after she starts class=

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The average rate of change for the distance driven from 0 seconds to 4 seconds is 36.9 meters per second and the average rate of change for the distance driven from 6 seconds to 9 seconds is 33.9 meters per second

How to determine the average rates of change?

The average rate of change for the distance driven from 0 seconds to 4 seconds

The average rate of change is calculated as:

Rate = [f(b) - f(a)]/[b - a]

Where

a and b are the bounds of the intervals

So, we have:

a = 0 and b = 4

This gives

Rate = [f(4) - f(0)]/[4 - 0]

Using the table of values, we have:

Rate = [147.6 - 0]/[4 - 0]

Evaluate

Rate = 36.9

Hence, the average rate of change for the distance driven from 0 seconds to 4 seconds is 36.9 meters per second

The average rate of change for the distance driven from 6 seconds to 9 seconds

The average rate of change is calculated as:

Rate = [f(b) - f(a)]/[b - a]

Where

a and b are the bounds of the intervals

So, we have:

a = 6 and b = 9

This gives

Rate = [f(9) - f(6)]/[9 - 6]

Using the table of values, we have:

Rate = [287.1 - 185.4]/[9 - 6]

Evaluate

Rate = 33.9

Hence, the average rate of change for the distance driven from 6 seconds to 9 seconds is 33.9 meters per second

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