Determine the domain of the function.p(x) = 
A. {x| x ? 2}
B. {x| x is a real number}
C. {x| x ? -2}
D. {x| x ? 2 and x ? -2}
Answer: D
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Solve the problem. Given f(x) = 
and g(x) = 
, find f(x) + g(x).
A. 
B. 
C. 
D. 
Solve the problem.The table shows the population of a city over the past five years. 
We used this data to develop the quadratic function 
, which models the population of the city y in millions in the year x. Use the model to find the estimated population in year 9.
A. 66,822,000 B. 1,490,000,000,000 C. 1,490,000 D. 65,538,000
Provide an appropriate response.The area of a rectangular table which has a length 1 foot more than its width is 20 square feet. What are the dimensions of the table?
Fill in the blank(s) with the appropriate word(s).
Solve.A scientist is growing a colony of bacteria for an experiment. The number of bacteria in the colony can be modeled by the quadratic expression 17x2 - 882x + 14,640, where x is the number of days since the scientist began the experiment. Using this model, after how many days would we expect to find 67,000 bacteria in the colony? Round to the nearest whole day.
A. 97 days B. 45 days C. 87 days D. 35 days