Find the equation of the tangent line at the given value of x on the curve.
(1 - x) + x
+ 2x = 5, x = 1
A. y = 
x - 9
B. y = - 
x + 
C. y = - 
x + 
D. y = - 
x + 
Answer: B
Mathematics
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A. {E, O}. B. {E, E, O, O}. C. {EE, EO, OO}. D. {EE, EO, OE, OO}. E. none of these
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Find the area of the region specified in polar coordinates.The region enclosed by the curve r = 9 + cos ?
A. 41?
B. 82?
C. 
?
D. 
?
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The wages of the employees of a company are presented in this histogram. Answer the question.
How many employees earn at least $4 and less than $6 an hour?
A. 10 B. 20 C. 34 D. 22
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Find the difference.-6 - 12
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