Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value.
A. 0
B. ?
C. - 
D. 
Answer: D
Mathematics
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Use a graphing calculator to find the vertex of the graph of the function.f(x) = x2 + x + 3
A. (-0.5, 3) B. (-0.5, 2.75) C. (0.5, 2.75) D. (0.5, -2.75)
Mathematics
Solve the problem.When flying the great-circle route from Fairbanks, Alaska ( latitude 64.8° north, longitude 147.85° west) to St. Petersburg, Russia (latitude 59.91° north, longitude 30.43° east), how close does the plane fly to the North Pole?.
A. ? 310.5 mi B. ? 31 mi C. ? 130 mi D. ? 3100 mi
Mathematics
Perform the indicated operations.(6x5 - 7x4) + (9x5 - 2x4 + 3)
A. 14x10 B. 3x - 9x5 + 8x4 C. 14x5 + 4x4 + 3x D. 15x5 - 9x4 + 3
Mathematics
Write the imaginary numbers using the letter i.
A. 9i
B. i
C. ±9
D. -9i
Mathematics