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) = 2x sin ?x on [0, 4] divided into 4 subintervals
A. - 
B. - 1
C. 0
D. -4
Answer: B
Mathematics
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Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 
B. 
C. 
D. 
Mathematics
Find the Jacobian J(u, v).
A. - 
B. 11
C. -11
D. 
Mathematics
Find the first term a1 and the common difference d of the arithmetic sequence.
, 
, - 
, - 
, . . .
A. a1 = - 
, d = 
B. a1 = 
, d = 
C. a1 = 
, d = - 
D. a1 = - 
, d = - 
Mathematics
Provide an appropriate response. You have calculated that you need 9 gallons of paint to paint the exterior of a home. The store has a closeout of the paint you need, but it is only available in pints. How many pint cans should you purchase so that you have the 9 gallons of paint?
A. 4.5 pints B. 36 pints C. 72 pints D. 18 pints
Mathematics