Solve the absolute value equation.
= 8
A. {1, 17}
B. {17}
C. {±
}
D. {±1, ±
}
Answer: D
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Solve the problem.Use each of the numbers 7, 8, 9, 10, and 11 once and only once to fill in the circles so that the sum of the numbers in the three horizontal circles equals the sum of the numbers in the three vertical circles. 
Which numbers can be placed in the middle of the horizontal row?
A. 7, 8, and 9 B. 9, 10, and 11 C. 8, 9, and 10 D. 7, 9, and 11
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 
Find all rational zeros of the polynomial.
?
What will be an ideal response?
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: {x|x > 0} range: all real numbers intercept: (1, 0) symmetry: none B. function domain: all real numbers range: {y|y > 0} intercept: (1, 0) symmetry: none C. function domain: {x|x > 0} range: all real numbers intercept: (0, 1) symmetry: origin D. not a function