Solve, finding all solutions in [0, 2?).2 sin x cos x - 2 sin x + cos x = 1
A. 0, 
, 
B. 0, 
, 
C. 0, 
, 
D. No solution
Answer: C
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Write the expression using a multiple of a logarithm.log8 
A. 
log8 7 - log8 8
B. 
- log8 8
C. log8 
+ log8 8
D. 
Tell whether the fractions are equivalent or not equivalent.
and 
A. Equivalent B. Not equivalent
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 last?
A. EH B. AB C. BC D. DE E. none of these
Solve the problem.For what numbers x, 0 ? x ? 2?, does sin x = 0?
A. 0, ?, 2?
B. 0, 1
C. 
, 
D. 0, 1, 2