Find the gross earnings. Use the overtime premium method. Overtime is paid at time-and-a-half for all hours over 40. 
A. $745.08
B. $496.72
C. $567.68
D. $565.68
Answer: C
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Use Lagrange multipliers to find the minimum value of the function subject to the given constraints.
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Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r = 6 sin ?
A. 
(x - 3)2 + y2 = 9; circle, radius 3,
center at (3, 0) in rectangular coordinates
B. 
x2 + (y + 3)2 = 9; circle, radius 3,
center at (0, -3) in rectangular coordinates
C. 
x2 + (y - 3)2 = 9; circle, radius 3,
center at (0, 3) in rectangular coordinates
D. 
(x + 3)2 + y2 = 9; circle, radius 3,
center at (-3, 0) in rectangular coordinates
Write equations of the horizontal and the vertical lines that pass through the given point.(6, -2)
A. horizontal: y = 3x + 0; vertical: 3y = x + 0 B. horizontal: x = 6; vertical; y = -2 C. horizontal: y = -2x + 0; vertical: x = 6y + 0 D. horizontal: y = -2; vertical: x = 6
Find an equation y = mx + b that models the quantity y after x units of time.A quantity y is initially 20 and decreases at a rate of 32 per day.
A. y = -32x + 20 B. y = -32x - 20 C. y = -20x - 32 D. y = -20x + 32