Provide an appropriate response.Suppose you leave an initial amount of $250 in a savings account for 20 years. If interest is compounded daily (use 365 times per year), use a graphing calculator to graph the compound amount S as a function of the nominal rate of interest. Determine the nominal rate of interest so that the amount doubles after 20 years.
Fill in the blank(s) with the appropriate word(s).
3.47%
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Solve the problem.At a plant that packages bottled spring water, the water is passed through a sequence of ion-exchange filters to reduce the sodium content prior to bottling. Each filter removes 73% of the sodium present in the water passing through it. Determine the number of filters that must be used to reduce the sodium concentration from 21 parts-per-million to 1.69 parts-per-million.
A. 10 filters B. 11 filters C. 8 filters D. 9 filters
Find the range of the quadratic function in interval notation.f(x) = -(x + 4)2 + 5
A. (-?, 5] B. (-?, 4] C. [-4, ?) D. [5, ?)
Add. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.For the first three months of the year, Jackie's business reported sales of $2832, $3998, and $3682. If Jackie's sales for the fourth month are $2258, what will her year-to-date sales be?
A. Let s = Jackie's year-to-date sales amount. 2832 + 3998 + 3682 + s = 2258 Jackie's year-to-date sales amount is $12,780. B. Let s = Jackie's year-to-date sales amount. 2832 + 3998 + 3682 + s = 2258 Jackie's year-to-date sales amount is $12,870. C. Let s = Jackie's year-to-date sales amount. 2832 + 3998 + 3682 + 2258 = s Jackie's year-to-date sales amount is $12,880. D. Let s = Jackie's year-to-date sales amount. 2832 + 3998 + 3682 + 2258 = s Jackie's year-to-date sales amount is $12,770.