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)
Mathematics
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. 
Mathematics
Solve the absolute value inequality. Write the solution set using interval notation.
? 19
A. [-19, 19] B. (-?, -19] C. (-?, -19] ? [19, ?) D. (-?, 19]
Mathematics
Decide whether or not the function is a probability density function on the indicated interval.f(x) = 
; [-2, 2]
A. Yes B. No
Mathematics