Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -4x2, [0, 4], left-hand endpoint
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Boris is planning a border for his triangular-shaped garden. One side of the garden is 13.2 feet long, another side is 19.0 feet long, and the third side is 27.6 feet long. Find the amount of border material needed.
A. 59.9 feet B. 59.8 feet C. 60.8 feet D. 58.8 feet
The simple interest note was discounted at 15%. Find the discount period in days and the proceeds.Loan made: Jan 7Face value: $2,600Length of loan: 120 daysRate: 12%Date of discount: Mar 7
A. 61 days, $2,545.92 B. 60 days, $2,649.92 C. 61 days, $2,531.27 D. 61 days, $2,635.27
Find the intersection of the given intervals.(-?, 10) ? [-3, 16)
A. [-3, 10) B. (10, 16) C. (-?, 16) D. (-?, -3]
Match graph with the appropriate equation.
A. 25x2 + 81y2 = 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 5x2 + 9y2 = 1