Find all the complex roots. Write the answer in the indicated form.The complex square roots of 4 + 4
i (rectangular form)
A. - 
- 
i, 
- 
i
B. 
- 
i, - 
+ 
i
C. 
+ 
i, - 
- 
i
D. 
+ 
i, - 
- 
i
Answer: C
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Use the table to solve the problem.For a function f we have the following numerical representation.
Evaluate f for x = 2.
A. -0.29 B. 0.29 C. 3 D. -0.14
Solve the problem using your calculator.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. Use linear regression to find a linear function that predicts a student's score as a function of the number of hours he or she studied.
A. y = -67.3 + 1.07x B. y = 67.3 + 1.07x C. y = 33.7 - 2.14x D. y = 33.7 +2.14x
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 1
B. 
C. 
D. 
Solve the equation for the unknown variable.log4
= a
A. a = 3
B. a = 24
C. a = 12
D. a = 