Solve the problem.What is the rate on an investment that doubles $2520 in 17 years? Assume interest is compounded quarterly.
A. 4.1%
B. 5.1%
C. 3.1%
D. 2.0%
Answer: A
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Use Euler's method to find y-values of the solution for the given values of x and ?x, if the curve of the solution passes through the given point. 
= y - ex - 3; x = -1 to x = 0.5; ?x = 0.5; (-1, -1)
A. 
B. 
C. 
D. 
Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form.4i and 
A. f(x) = x4 + 13x2 - 48 B. f(x) = x4 + 26x2 + 48 C. f(x) = x4 - 26x2 + 48 D. f(x) = x4 - 13x2 - 48
Solve the problem.A CD store determines the following demand function for a particular CD 
where q = the number of CDs sold per day when the price per CD is x dollars. At what price is the revenue a maximum? Round your answer to the nearest dollar.
A. $13 B. $15 C. $18 D. $12
Find all real solutions of the polynomial equation x4 - 7x3 + 42x - 36 = 0. ? ?
A. x = 1, 6, 
B. x = 1, 36
C. x = 1, 
D. x = 1, -7, -6
E. x = 1, -36, 12