Solve.x - 2y + 3z = 4y + 3z = 0 z = -2
A. {(-22 , -6, -2)}
B. {(-20 , -5, -2)}
C. {(20 , 5, -2)}
D. {(22 , 6, -2)}
Answer: D
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Express as a sum of logarithms.log48x
A. log48 + log4x B. log48 - log4x C. log28 - log2x D. log28 + log2x
The Mexican subsidiary of ThermoMaster manufactures an indoor-outdoor thermometer. Management estimates that the profit (in dollars) realizable by the company for the manufacture and sale of x units of thermometers each week is 
.
?
Find the intervals where the profit function P is increasing and the intervals where P is decreasing.
?
A. increasing on 
, decreasing on 
B. increasing on 
, decreasing on 
C. increasing on 
, decreasing on 
D. increasing on 
, decreasing on 
E. increasing on 
, decreasing on 
Evaluate the logarithm without the use of a calculator.log1/5 125
A. 
B. 3
C. - 
D. -3
Solve the problem.The cost of producing t units is C = 3t2 + 6t, and the revenue generated from sales is 
Determine the number of units to be sold in order to generate a profit.
A. t > 7 B. t > 6 C. t > 0 D. t > 5