Write the complex number in rectangular form.3

A.  + i
B.  + i
C.  + i
D.  + i


Answer: D

Mathematics

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Approximate the values of x that gives the maximum and minimum values of the function on the indicated intervals.f(x) = x4 - x3 - x2 - x;[0, 2]

A. Minimum f(1.28858) ? -2.33157; maximum f(2) = 2 B. Minimum f(-1.28858) ? -2.33157; maximum f(0) = 0 C. Minimum f(1.28862) ? -2.33157; no maximum D. Minimum f(1.27505) ? -2.33064; maximum f(0) = 2

Mathematics

Which of the following are not true? ?

A. ?Probability values range from -1 to 1. B. ?A probability value of .2 indicates the event is unlikely to occur. C. ?Theoretical Probability is used when all of the possible outcomes can be determined and counted. D. ?Experimental Probability is used when a random, representative sample can be found and counted. E. ?Subjective Probability uses intuition and personal judgment.

Mathematics

Use implicit differentiation to find the specified derivative at the given point.Find  at the point (-1, 1) for 7x -  + 4x2y2 = 0.

A. - 
B.
C. - 
D.

Mathematics

Simplify.

A.
B.
C.
D.

Mathematics