What does g.c.f. mean?
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A. The largest number in a given set.
B. The smallest number in a given set.
C. The largest number that divides (evenly) into each of the numbers in the given set.
D. The smallest number that each of the numbers in the set divides into evenly.
E. none of these choices
Answer: C
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Solve.log21 = x
A. {0} B. {1} C. {4} D. {2}
Find a formula for the capital value of a perpetuity involving payments of P dollars paid at the end of each investment period into a fund that earns interest at the annual rate of k% compounded continuously.
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Hint: If we are given a perpetuity involving payments of P dollars each, paid at the end of each of m periods per year into a fund that earns interest at the nominal rate of k% per year compounded m times a year, the following holds:
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The present value of the nth payment is
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The capital value is
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Using the fact that the above series is a geometric series, its sum is
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What will be an ideal response?
Solve the equation.9x = 
A. {-4, 4}
B. {4}
C. 
D. ?
Solve the rational inequality. Express the solution using interval notation.
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A. (-11, 1) ? (1, 4) B. (-?, -11) ? (4, ?) C. (-?, -11) ? (1, 4) D. (-11, 1) ? (4, ?)