Solve.The average value of a certain type of automobile was $15,000 in 1994 and depreciated to $6120 in 1999. Let y be the average value of the automobile in the year x, where x = 0 represents 1994. Write a linear equation that relates the average value of the automobile, y, to the year x.
A. y = -1776x + 15,000
B. y = - 
x - 6120
C. y = -1776x - 2760
D. y = -1776x + 6120
Answer: A
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Find the derivative.s = t3 tan t - 
A. 
= - t3 sec2 t + 3t2 tan t + 
B. 
= t3 sec t tan t + 3t2 tan t - 
C. 
= t3 sec2 t + 3t2 tan t - 
D. 
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Write the equation of the circle with the given center and radius.center (3, 2), radius 12
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