Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and evaluating the function at the midpoints of the subintervals.f(x) = 8x sin ?x on [0, 4] divided into 4 subintervals
A. - 4
B. 0
C. - 2
D. -16
Answer: A
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Estimate the value of the quantity.The table shows the velocity of a remote controlled race car moving along a dirt path for 8 seconds. Estimate the distance traveled by the car using 8 subintervals of length 1 with right-end point values.
A. 182 in. B. 178 in. C. 188 in. D. 172 in.
Establish the identity.tan 2 u (1 + cos(2u)) = 1 - cos(2u)
What will be an ideal response?
Solve.A construction crew replaced 
mile of sewer line in the process of updating a section of a road. Another crew replaced 
mile of sewer line while working on the same project. How much longer was the sewer line that the second crew replaced?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Multiply.(5x + 3)(-3x - 2)
A. 2x2 - 19x - 19 B. -15x2 - 19x - 19 C. -15x2 - 19x - 6 D. 2x2 - 19x - 6