Please answer this question to the best of your ability. You are welcome to re-watch parts of any of the videos to help you.

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

t in seconds 1 4 7 10 13

v(t) in m/s 2 5 7 8 9

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:

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