Solve the problem.A survey of the interest rates earned by Certificates of Deposit (CDs) showed the following percents for the length of time (in years) for holding the CD. Let length of time represent the independent variable and interest rate represent the dependent variable. Use a graphing utility to draw a scatter diagram and to find the line of best fit. What is the estimate of the interest rate for a CD held for 30 years (to the nearest thousandth)? 
A. 8.669
B. 8.675
C. 8.874
D. 9.064
Answer: A
Mathematics
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Find the maximum or minimum point of the function and state whether it is a maximum or minimum.f(x) = - 2x2 + 24x - 71
A. (-1, -6); maximum B. (0, -6); minimum C. (6, 1); maximum D. (-1, 0); minimum
Mathematics
Indicate whether the function is one-to-one.A = {(-5, -13), (2, 9), (18, 11)}
A. No B. Yes
Mathematics
Factor completely. If prime, so state.64s3 + 1
A. (4s + 1)(16s2 - 4s + 1) B. (64s + 1)(s2 - 4s + 1) C. (4s - 1)(16s2 + 4s + 1) D. (4s + 1)(16s2 + 1)
Mathematics
Perform the indicated operation.3(q2 - 3q + 4) + 3(2q2 + q - 3)
A. 9q2 + 12q - 3 B. 9q2 + 6q + 3 C. 9q2 - 6q + 3 D. 5q2 + 12q - 3
Mathematics