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 = 5 + 4x, for x ? 0
A. 
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B. 
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C. 
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D. 
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Answer: C
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The amount A, in grams, of a certain isotope of uranium remaining after t minutes of decay is given by
.
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A: Make a graph of A versus t over one hour.B: How much of the isotope is present after 13 minutes?C: What is the half-life of this isotope? That is, how long will it take for half of the substance to decay?
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?Round your answer to two decimal places if necessary.
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What will be an ideal response?
Find the LCD for the set of fractions.
, 
A. 4 B. 44 C. 120 D. 480
Find the annual straight-line rate of depreciation for the estimated life.6 years
A. 16.7% B. 1.7% C. 8.3% D. 6%
Determine whether the graph of the polynomial has y-axis symmetry, origin symmetry, or neither.f(x) = (x - 2)2(x2 - 25)
A. y-axis symmetry B. origin symmetry C. neither