Match the graph to one of the polar equations.
A. r = 2 cos ?
B. r = 1
C. r sin ? = 1
D. r = 2 sin ?
Answer: D
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Find the limit.
A. 0 B. -1 C. -? D. ?
Solve the problem.In the year 2000, the population of Salem was 6,400 and the population of Trevor was 1,600. The projected trends in the populations of these two cities are indicated on the graph below.
Which city (cities) will experience population decline?
A. Neither city B. Salem, Trevor C. Trevor D. Salem
Translate the phrase; then simplify.Find the quotient of -12 and -2.
A. -7 B. -6 C. 7 D. 6
Rewrite the complex number in standard polar form, plot the number in the complex plane, and determine the quadrant in which the point lies or the axis on which the point lies.z = 2(cos 150° + i sin 150°)
A. z = 2(cos 210° + i sin 210°); Quadrant III
B. z = (cos 150° + i sin 150°); Quadrant I
C. z = 2(cos 60° + i sin 60°); Quadrant I
D. z = 2(cos 150° + i sin 150°); Quadrant II