Simplify. Write the answer with only positive exponents. Assume that all variables represent nonzero real numbers.
3 
-2
A. 
B. 
C. - 
D. 
Answer: D
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Find the indicated sum. Find the sum of the first 7 terms in the geometric series 3 + 9 + 27 + . . .
A. 3279 B. 1092 C. 9840 D. 1122
Find the exact circular function value.sin 
A. - 
B. 
C. - 
D. 
New telephone lines must be installed to connect 9 cities (A, B, C, D, E, F, G, H and J). Due to government regulations, the only possible connections that are allowed are shown by the edges on the network below. The numbers on the edges indicate the cost (in millions of dollars) of each possible connection. The telephone company wishes to connect the cities in the cheapest possible way.
Using Kruskal's algorithm, which edge is chosen second to last?
A. DE B. BC C. AB D. EH E. none of these
Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = x4 - 4x3 + 4x2 - 4x + 1
A. (2.73, -5.95) B. (0.23, 0.25) and (2.73, -5.95) C. (2.32, -7.73) D. (0, 1)