Find the equation of the line that has the given slope and passes through the given point.m = - 
, (3, 4)
A. y = - 
x + 
B. y = - 
x - 17
C. y = 
x - 
D. y = - 
x - 
Answer: A
Mathematics
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
+ cot x - 
C. 
D. 
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Find the coordinates of the centroid of the given figure. Each region is covered by a thin, flat plate.The region cut from the first quadrant by the circle x2 + y2 = 4
A. 
B. 
C. 
D. 
Mathematics
Use the given information to find the exact value of the expression.sin ? = - 
, ? lies in quadrant IV, and cos ? = - 
, ? lies in quadrant III
Find sin (? - ?).
A. 
B. 
C. 
D. 
Mathematics
Answer the question.What is the angle between the hour and the minute hands if the time is 7:30?
A. 45° B. 390° C. 30° D. 72°
Mathematics