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) = -2x2, [0, 4], midpoint
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 5 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the volume of the balloon in terms of r. Find (V ? r)(t).
A. (V ? r)(t) = 
B. (V ? r)(t) = 
C. (V ? r)(t) = 
D. (V ? r)(t) = 
Mathematics
Write the number as a Babylonian numeral.2200
A. 
B. 
C. 
D. 
Mathematics
Complete.7 hr = ___ sec
A. 420 B. 25,200 C. 42,000 D. 2520
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics