Solve the problem.A comet follows the hyperbolic path described by 
- 
= 1, where x and y are in millions of miles. If the sun is the focus of the path, how close to the sun is the vertex of the path? Round to the nearest tenth. 
A. 44 million miles
B. 1.7 million miles
C. 4.9 million miles
D. 6.6 million miles
Answer: B
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Use the factor theorem to determine if x - c is a factor of f(x). If so, use synthetic division to write f(x) in the form 
f(x) = -5x3 - 12x2 - 8x - 8; x + 2
A. (x + 2) is not a factor
B. (x + 2)(5x2 - 2x - 4)
C. (x + 2)
D. (x + 2)(-5x2 - 2x - 4)
Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.Each box of matches contains 120 matches. Boxes of matches are shipped in cartons. Each carton contains 15 boxes of matches. How many matches are in each carton?
A. Let n = number of matches in each carton. 15 ? n = 120 Each carton contains 135 matches. B. Let n = number of matches in each carton. 120 ? 15 = n Each carton contains 180 matches. C. Let n = number of matches in each carton. 15 ? n = 120 Each carton contains 8 matches. D. Let n = number of matches in each carton. 120 ? 15 = n Each carton contains 1800 matches.
Solve the problem.Assume that the table below gives the median weekly earnings in 2001 for men and women in various age groups. Weekly Earnings ($) by Age Group 
Suppose that, in 2002, the median weekly earnings for men increased by 7% in all age groups and the median weekly earnings for women increased by 4% in all age groups. What 2 × 2 matrix could be multiplied by the matrix below to find the median weekly earnings in 2002 for men and women in various age groups? 
A. 
B. 
C. 
D. 
Solve the problem.Find g(a + 1) when g(x) = 
x + 1.
A. 
B. 
a - 2
C. 
a + 1
D. 