Use a strictly graphical approach to solve the equation over the interval [0, 2?). Express solutions to the nearest hundredth.ex = cos x + 2
A. {0.95}
B. {1.05}
C. ?
D. {0}
Answer: A
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Determine if the given polar coordinates represent the same point.(r, ?), (-r, ? + ?)
A. No B. Yes
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.
The total cost of the optimal solution to this problem is
A. 21 million. B. 19 million. C. 20 million. D. 18 million. E. none of these
Find the least common denominator (LCD).
, 
A. 4(x + 4)(x + 6) B. 4(x + 4)(x - 6) C. 4(x - 4)(x - 6) D. 4(x - 4)(x + 6)
Solve the quadratic equation and simplify your answer. Use i notation for any complex numbers.2x2 - 5x = 7
A. x = 
, x = -1
B. x = 
, x = 1
C. x = 
, x = 1
D. x = 
, x = -1