Write a verbal description of the algebraic expression 
, without using a variable.
A. four times a number increased by 
B. four times a number decreased by 
C. four times the difference of 
and a number
D. four times 
decreased by a number
E. four times the difference of a number and 
Answer: C
Mathematics
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What part of the set of objects is shaded?
A. 
B. 
C. 
D. 
Mathematics
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. 
Mathematics
Find the volume of the solid generated by revolving the shaded region about the given axis.About the x-axis
A. 9?
B. 
?
C. 
?
D. 
?
Mathematics
Write the number as the product of a real number and i.- 
A. 4i
B. 4
C. -4i
D. i
Mathematics