Find the domain of f.f(x) = 

A. {x }
B. {x }
C. {x }
D. {x }


Answer: A

Mathematics

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Find the missing number.The area of a parallelogram is 440 cm2 and the height is 11 cm. Find the base.

A. 34 cm B. 40 cm C. 1600 cm D. 45 cm

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Find the focus and directrix of the parabola with the given equation.x2 = -28y

A. Focus: (0, -7), directrix: y = 7 B. Focus: (-7, 0), directrix: x = 7 C. Focus: (0, 7), directrix: y = -7 D. Focus: (7, 0), directrix: x = -7

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Use the vertical line test to determine whether or not the graph is a graph in which y is a function of x.

A. not a function B. function

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Solve the problem.The table shows the population of a certain city for selected years between 1950 and 2003.  By using your calculator to find the logistic regression equation that best fits the data, determine the limiting size of the population.

A. 482,550 B. 494,194 C. 499,107 D. 478,550

Mathematics