Express the sum using summation notation. Use a lower limit of summation, not necessarily 1, and k for the index of summation.33 + 43 + 53 + . . . + 93
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find a function r(t) that describes the curve where the surfaces intersect. x2 + y2 = 16; z = 2x + 3y
A. r(t) = 
B. r(t) = 
C. r(t) = 
D. r(t) = 
Mathematics
Six points are plotted in the figure. List all the ordered pairs needed to represent the points.
What will be an ideal response?
Mathematics
Graph.y ? -2x 
A. 
B. 
C. 
D. 
Mathematics
Solve this electric formula for the indicated variable.
Mathematics