Approximate the area under the graph of f(x) over the specified interval by dividing the interval into the indicated number of subintervals and using the left endpoint of each subinterval.f(x) = 0.02x3 + 11; interval [-8, 0]; 4 subintervals
A. 38.24
B. 76.48
C. 28.00
D. 56.00
Answer: D
Mathematics
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cos 
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26.6060
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Mathematics