Simplify the complex rational expression.

A. 1
B. - 
C.
D.


Answer: B

Mathematics

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Express the given complex number in rectangular form.1.689e2.461j

A. -0.2902 + 2.444j B. 2.444 - 0.2902j C. -1.313 + 1.063j D. 1.063 - 1.313j

Mathematics

Determine if the parabola whose equation is given opens upward or downward.y = -4x2 - 2x - 9

A. downward B. upward

Mathematics

Solve the problem.The Human Resources department of a medium-sized corporation reported that the average age of its employees is  years and the average number of hours each employee worked each week is  hours. Round each of these numbers to the nearest ten.

A. 60 years; 60 hours B. 50 years; 60 hours C. 60 years; 50 hours D. 50 years; 50 hours

Mathematics

Perform the requested operation on the given function.f(x) = 2x - 6, g(x) = 4x - 7Find (f - g)(x).

A. 6x - 13 B. -2x + 1 C. -2x - 13 D. 2x - 1

Mathematics