Give the domain of the function.f(x) = 
A. (-?, -3] ? [5, ?)
B. (-?, -3) ? (5, ?)
C. (-3, 5)
D. (-?, -3] ? (5, ?)
Answer: D
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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).
Solve the problem.At the beginning of the month, Christopher had a balance of $181 in his checking account. During the next month, he wrote a check for $25, deposited $79, and wrote another check for $97. What was his balance at the end of the month?
A. $20 B. -$20 C. $138 D. -$138
Solve the problem.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). Use the equation of the least squares line to predict the number of products sold if the cost of advertising is $9000. 
A. 25,165.8 products sold B. 87.61 products sold C. 77.91 products sold D. 80.91 products sold
For the given set of ordered pairs, determine whether a function could be defined for which the input would be an x-coordinate and the output would be the corresponding y-coordinate.{(-2, -9), (3, 4), (4, 8), (8, -9)}
A. Yes B. No