Solve the problem.The quadratic function A(x) = 
x2 - 
x + 200 fits the following data. Use the function to estimate the number of daytime accidents that occur at 60 km/h. 
A. 380 per 200,000,000 kilometers driven
B. -100 per 200,000,000 kilometers driven
C. -18 per 200,000,000 kilometers driven
D. 100 per 200,000,000 kilometers driven
Answer: D
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What is the slope of the line through the points 
and 
?
?
A. 0.45 B. -1.67 C. 1.33 D. -0.60
Translate the problem situation to a system of equations. Do not solve.Anne has 15 coins in her pocket consisting of nickels and dimes only. The total value of the coins is $1.25. How many nickels and how many dimes does she have?
A. x + y = 15; 5x + 10y = 1.25 B. x + y = 15; 5x + 10y = 125 C. x + y = 15; 0.05x + 0.1y = 125 D. x + y = 15; 5x + 5y = 125
Write interval notation.{ x ? 6 > x }
A. (-?, 6] B. (6, ?) C. [6, ?) D. (-?, 6)
Factor the polynomial by grouping.10x2 - 4x - 25x + 10
A. (10x + 5)(x + 2) B. (2x - 5)(5x - 2) C. (10x - 5)(x - 2) D. (2x + 5)(5x + 2)