009B Sample Final 3, Problem 1

Divide the interval  $[-1,1]$  into four subintervals of equal length  ${\frac {1}{2}}$  and compute the left-endpoint Riemann sum of  $y=1-x^{2}.$

Foundations:
The height of each rectangle in the left-hand Riemann sum is given by choosing the left endpoint of the interval.

Solution:

Step 1:

Step 2:

Final Answer:

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