Write the complex number in polar form. Express the argument in degrees, rounded to the nearest tenth, if necessary.2 + 2i
A. 2
(cos 30° + i sin 30°)
B. 4(cos 30° + i sin 30°)
C. 4(cos 45° + i sin 45°)
D. 2
(cos 45° + i sin 45°)
Answer: D
Mathematics
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Draw the graph of the equation.(y - 1)2 = -7(x + 1)
A. 
B. 
C. 
D. 
Mathematics
Write the complex number in the form a + bi.
(cos 150° + i sin 150°)
A. - 
+ 
i
B. - 
+ 
i
C. - 
+ 
i
D. - 
+ 
i
Mathematics
Find the indicated limit.
?
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve by graphing.The value y (in hundreds of dollars) of Juan's computer is approximated by the linear equation 
where x is the number of years since he first bought the computer. Graph the equation and use the graph to estimate the value of the computer 2 years after it was purchased. 
A. $900 B. $760 C. $600 D. $700
Mathematics