Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimate exact  

A. Estimate: 14,000; exact: 14,577.74
B. Estimate: 15,000; exact: 15,577.74
C. Estimate: 14,000; exact: 14,477.74
D. Estimate: 15,000; exact: 15,477.74


Answer: B

Mathematics

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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges. +  +  + ... +  + ...

A. ; 7
B. ; 7
C. ; 7
D. ; 7

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Identify the base and the exponent. Do not evaluate.-9.75

A. Base: 5, exponent: -9.7 B. Base: 9.7, exponent: 5 C. Base: -9.7, exponent: 5 D. Base: 5, exponent: 9.7

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Multiply or divide the fractions. Reduce to simplest form. ÷ 

A.
B. 5x2 + 5x
C.
D. 5x2

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An important calculation in calculus is the evaluation of the expression , where h ? 0. Find .f(x) = -14 - 5x

A.
B.
C. 5
D. -5

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