xYz xyzHomework Assessment X *Course Hero X + C xyzhomework.com/imathas/assessment/showtest.php Update : decimal places. 2:54:40 remaining TIP Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172 Enter DNE for Does Not Exist, oo for Infinity Your answer should be accurate to at least 2 decimal places. Question 6. Points possible: 1 License This is attempt 1 of 1. Use four rectangles to approximate the area of the planar region under the graph of f(x) = 0.4x5 - 0.712 + 12 over the interval [1, 8]. Use the left-most end points. f(x) Sum: Using four rectangles, the approximate area over the interval [1, 8] is square units. Question 7. Points possible: 1 License This is attempt 1 of 1