Perform the operation using trigonometric form. Write the answer in the form a + bi
A. 
+ 
i
B. - 
+ 
i
C. 
+ 
i
D. - 
+ 
i
Answer: C
Mathematics
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The figure shows the graph of a function. At the given value of x, does the function appear to be differentiable, continuous but not differentiable, or neither continuous nor differentiable?x = -1
A. Differentiable B. Continuous but not differentiable C. Neither continuous nor differentiable
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Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
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Divide. Write a mixed numeral for the answer.
A. 41
B. 41
C. 42
D. 41
Mathematics
Find two square roots for the complex number. Write your answer in standard form.
?
?
A. 
B. 
C. 
D. 
E. 
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