Perform the indicated operations and simplify the result. Leave the answer in factored form.

A.
B.
C.
D. 4 - x2


Answer: B

Mathematics

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A point P(r, ?) in polar coordinates is given. Determine the rectangular coordinates P(x, y).(5, 90°)

A. (0, 5) B. (-5, 0) C. (5, 0) D. (0, -5)

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Solve the problem.Suppose that the sample space is S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and that outcomes are equally likely. Compute the probability of the event E: "a number divisible by 3".

A.
B. 3
C.
D.

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Solve the absolute value inequality. Write the solution set using interval notation. ? 19

A. [-19, 19] B. (-?, -19] C. (-?, -19] ? [19, ?) D. (-?, 19]

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Decide whether or not the function is a probability density function on the indicated interval.f(x) = ; [-2, 2]

A. Yes B. No

Mathematics