Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Decreasing on (-?, ?)
B. Increasing on (-?, ?)
C. Decreasing on (-?, 0]; increasing on [0, ?)
D. Increasing on (-?, 0]; decreasing on [0, ?)
Answer: B
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Rotate the coordinate axes to change the given equation into an equation which has no cross product (xy) term. Identify the graph of the equation as a hyperbola, ellipse, parabola, a straight line, or parallel lines.5x2 + 6xy + 5y2 = 15
A. 8u2 + 2v - 15 = 0; Parabola B. 8u2 - 2v2 - 15 = 0; Hyperbola C. 8u2 + 2v2 - 15 = 0; Ellipse D. 8u2 + 2u - 15 = 0; Parallel lines
Evaluate the integral.
A. 64 B. 512 C. 32,768 D. 4,096
Simplify.(mn)-7
A. m7n7
B. 
C. 
D. 
Find the indicated probability.The following table contains data from a study of two airlines which fly to Small Town, USA.
If one of the 87 flights is randomly selected, find the probability that the flight selected arrived on time given that it was an Upstate Airlines flight.
A. 
B. 
C. 
D. None of the above is correct.