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Before watching the videos, think about and answer these questions to the best of your ability.

The velocity of a runner at different moments in time since starting a race is given by the following table.

t in seconds 2 4 6 8 10

v(t) in m/s 1 3 5 6 6

Based on the table, which of the following is an approximation to ?

meters meters meters meters meters None of the above
Use the graph of the rate, , to answer the following question:

Which value is greatest?

where where None of the above More information is needed
The following picture illustrates a Riemann sum using terms. The dotted lines are located at , , etc.

Which expression from the Riemann Sum definition of the definite integral represents the green shaded region?

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