Graph the sinusoidal function using key points.y = 
cos
A. 
B. 
C. 
D. 
Answer: B
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Find the slope of a line tangent to the given curve at the point P by finding the limit of the slopes of the secant lines PQ as Q approaches P.y = 7x - 7x2; P is (5, -140); let Q have x-values of 4.5, 4.9, 4.99, 4.999
A. Slopes: -31.5, -34.3, -34.93, -34.993 m = -35 B. Slopes: -31.5, -34.3, -34.93, -34.993 m = -28 C. Slopes: -59.5, -62.3, -62.93, -62.993 m = -63 D. Slopes: -66.5, -69.3, -69.93, -69.993 m = -70
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
The total weight of the minimum spanning tree is
A. 68. B. 24. C. 125. D. 26. E. none of these
For what inputs is the expression defined?
Solve the problem.If the voltage, V, in an electric circuit is held constant, the current, I, is inversely proportional to the resistance, R. If the current is 140 milliamperes (mA) when the resistance is 4 ohms, find the current when the resistance is 28 ohms.
A. 980 mA B. 80 mA C. 20 mA D. 973 mA