Solve the problem.For some reason the quality of production decreases as the year progresses at a light bulb manufacturing plant. The following data represent the percentage of defective light bulbs produced at a light bulb manufacturing plant in the corresponding month of the year. 
Use the equation of the least squares line to predict the percentage of defective bulbs in June.
A. 2.3%
B. 2.0%
C. 2.20%
D. 2.15%
Answer: D
Mathematics
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Use limits to find the derivative function f' for the given function f. Then evaluate f'(a) for the given values of a.f(x) = 2x3 - 4x; a = -2, 3
A. f'(x) = 6x2-4; f'(-2) = 20, f'(3) = 50 B. f'(x) = 3x2-4x; f'(-2) = 4, f'(3) = 15 C. f'(x) = 3x2-4x; f'(-2) = 20, f'(3) = 15 D. f'(x) = 6x2-4; f'(-2) = -28, f'(3) = 50
Mathematics
Write the fraction as a decimal. Round to the nearest thousandth if necessary.
A. 0.469 B. 0.047 C. 2.133 D. 4.688
Mathematics
Classify the pair as either equivalent expressions or equivalent equations.12(x - 1); 9x - 12 + 3x
A. Equivalent equations B. Equivalent expressions
Mathematics
Solve the equation and check.
A. 
B. 
C. 
D. 
E. 
Mathematics