Solve the problem.The table shows the percentage of people living below the poverty line in one U.S. city in the years 2000 through 2003. 
The data in the table can be written as ordered pairs (x, y) where x is the number of years after 2000 and y is the percentage of people living below the poverty line in that year. Use the data for 2000, 2002, and 2003 to find the quadratic function 
that models the percentage, y, of people in this city living below the poverty line x years after 2000. [Hint: Find a, b, and c by substituting each of three ordered pairs into
the function and writing and solving a system of linear equations in three variables.]
A. y = -0.4x2 + 1.8x + 11.7
B. y = -0.3x2 + 1.6x + 11.7
C. y = -0.2x2 + 1.4x + 11.7
D. y = -0.4x2 + 1.9x + 11.7
Answer: B
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Write the fraction in simplest form. Assume that all variable factors in the denominator are not equal to zero.
A. 
B. 
C. 
D. 
Translate the sentence into an equation. Use x to represent the unknown number. The quotient of a number and 3 results in 4.
A. 
= 4
B. 3x = 4
C. 3 - x = 4
D. 
= 4
Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions.9 feet to 50 inches
A. 
B. 
C. 
D. 
Use Bayes' rule to find the indicated probability.Quality Motors has three plants. Plant 1 produces 35% of the car output, plant 2 produces 20% and plant 3 produces the remaining 45%. One percent of the output of plant 1 is defective, 1.8% of the output of plant 2 is defective and 2% of the output of plant 3 is defective. The annual total production of Quality Motors is 1,000,000 cars. A car chosen at random from the annual output and is found defection. What is the probability that it came from plant 2?
A. 0.35 B. 0.559 C. 0.224 D. 0.217