Answer the question.What property of real numbers justifies the method of multiplying by the LCD of the parts? Why?
What will be an ideal response?
Answers will vary.
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Express the area of the region bounded by the given line(s) and/or curve(s) as an iterated double integral.The coordinate axes and the line 
A. 
B. 
C. 
D. 
The following question(s) refer to a fractal defined by the recursive procedure :
What is the length of the figure at step N of the construction?
A. N × 
B. 3N + 2N
C. N(3 +
)/5
D. 
E. none of these
Solve the problem.Find the values of x and y that give the minimum possible value of f = 6x + 8y subject to the following constraints: 
A. x = 0, y = 3
B. x = 0, y = 0
C. x = 6, y = 0
D. x = 
, y = 
The equation of a parabola is given. Determine if the parabola is horizontal or vertical, the way the parabola opens, and the vertex.x = -(y + 3)2 - 4
A. vertical; opens downward; (3, -4) B. horizontal; opens to left; (-4, -3) C. horizontal; opens to left; (-4, 3) D. vertical; opens downward; (-3, -4)