Solve using the quadratic formula.x2 + x + 9 = 0
A. 
B. 
C. 
D. 
Answer: C
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Use the boundedness theorem to determine whether the polynomial function satisfies the given condition.The polynomial f(x) = x5 + 10x4 - 25x3 - 10x2 + 24x has no real zero less than -8.
A. Yes, the boundedness theorem shows that the polynomial has no real zero less than -8. B. No, the boundedness theorem does not show that the polynomial has no real zero less than -8.
Solve the problem. Round to the nearest hundredth of a percent if needed.Use of the internet for shopping is increasing dramatically, but still is somewhat age dependent. When a popular web site that sells books asked the age of users who bought products from them over the internet, they obtained the following data. What is the probability that a buyer on this web site is aged 
A. 2.95% B. 4.41% C. 2.86% D. 4.45%
Write < or > between the pair of numbers to make the statement true.6 0
A. < B. >
Use a graphing calculator to find the sum.
Round your answer to three decimal places.
A. 8.000 B. -1.190 C. 1.143 D. -0.857