Evaluate (if possible) the function  at . Simplify the result.
?

A. ?4
B. 3
C. -3
D. 5
E. undefined


Answer: B

Mathematics

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Use the quadratic formula to find any x-intercepts on the graph of the equation.y = x2 - 2x + 10

A.
B.
C. 2 ± 3
D. None

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Solve the problem.Use the formula N = Iekt, where N is the number of items in terms of the initial population I, at time t, and k is the growth constant equal to the percent of growth per unit of time. There are currently 78 million cars in a certain country, decreasing by 0.8% annually. How many years will it take for this country to have 60 million cars? Round to the nearest year.

A. 18 years B. 361 years C. 23 years D. 33 years

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Solve the problem.An earthquake was recorded with an intensity which was  times more powerful than a reference level earthquake, or  What is the magnitude of this earthquake on the Richter scale (rounded to the nearest tenth)? Intensity on the Richter scale is 

A. 5.1 B. 11.7 C. 0.5 D. 4.1

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Decompose into partial fractions.

A. 2x + 5 -  + 
B. 2x + 9 -  + 
C. 2x - 9 -  + 
D. 2x - 9 +  - 

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