Provide an appropriate response.Use the example below to demonstrate how to add or subtract two fractions by finding the least common denominator. Show why it is advantageous to use the least common denominator instead of another common denominator.
- 
What will be an ideal response?
Answers will vary. The answer should give the the lowest common denominator as 
and the final result as 
. If one simply multiplies the two denominators to find a common denominator, the work becomes more complicated, and the result needs to be reduced to lowest terms.
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = x2, y = 6 + 5x, for x ? 0
A. 144? B. 864? C. 432? D. 288?
Solve.When a number is subtracted from -7, the absolute value of the difference is more than 3. Use interval notation to express the set of all numbers that satisfy this condition.
A. (-10, -4) B. (-?, -10) ? (-4, ?) C. (-?, -10] ? [-4, ?) D. (-?, -4) ? (10, ?)
Sketch the graph of the polynomial function.f(x) = 6x4 - x3 + 3x2 + 5x + 5
A. 
B. 
C. 
D. 
Solve each problem.If the price charged for a bolt is p cents, then x thousand bolts will be sold in a certain hardware store, where 
How many bolts must be sold to maximize revenue?
A. 774 bolts B. 387 bolts C. 774 thousand bolts D. 387 thousand bolts