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) = cos x + 1, [0, 2?], midpoint
A. 
B. 
C. 
D. 
Answer: D
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Simplify the expression.log4 
A. 0 B. 4 C. 1 D. -1
Multiply by moving the decimal point the appropriate number of places to the right.2.49 × 100
A. 249 B. 2490 C. 2.49000 D. 24.9
Find the area of the region specified by the integral(s).
A. 
B. 
C. 1024
D. 
Solve.The time in hours it takes a satellite to complete a circular orbit about the earth varies directly as the radius (from the center of the earth) of the orbit and inversely as the orbital velocity. If a satellite completes an orbit 
above the earth in 
at a velocity of 
how long would it take a satellite to complete an orbit if it is circling 1,700 km above the earth at 
alt="" style="vertical-align: -4.0px;" /> (Assume the radius of the earth is 
A. 580 min
B. 120 min
C. 220 min
D. 190 min