Use a graphing utility to obtain the plane curve represented by the given parametric equations.Witch of Agnesi: x = 3 cot t, y= 3 sin2 t, 0 ? t < 2?
A. 
B. 
C. 
D. 
Answer: A
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Use the graph to identify the x- and y- intercepts or state that there is no x- or y-intercept.
A. x-intercept = 9; no y-intercept B. x-intercept = 9; y-intercept = -9 C. x-intercept = 9; y-intercept = 0 D. no x-intercept; y-intercept = 9
A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. Find the percentage of bulbs that can be expected to last the period of time. Round to the nearest hundredth, if necessary.Greater than 500 hours
A. 50% B. 52% C. 80% D. 40%
Plot the point given in polar coordinates.(2, 360°) 
A. 
B. 
C. 
D. 
Find the general solution for the differential equation.
= 36x2
A. y = x3 + C
B. y = 12x3 + C
C. y = 36x3 + C
D. y = 
+ C