Consider the following table:

0 | 2 | 4 | 6 | 8 | 10 | |

45 | 44 | 42 | 37 | 26 | 3 |

(a) Use this data and a left-endpoint Riemann sum to estimate the integral:

(b) Use this data and a right-endpoint Riemann sum to estimate the integral:

(c) Find the average of the left- and right-endpoint Riemann sums to estimate the integral:

You can earn partial credit on this problem.