Find all specified roots.Square roots of 4 + 4
i
A. 
+ 
i, - 
- 
i
B. - 
- 
i, 
- 
i
C. 
- 
i, - 
+ 
i
D. 
+ 
i, - 
- 
i
Answer: A
Mathematics
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Find the average value of the function f over the region R.f(x, y) = 
R: 1 ? x ? 8, 1 ? y ? 8
A. 
B. 
C. 
D. 
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Find the instantaneous rate of change for the function at the given value.F(x) = x2 + 5x at x = 4
A. 9 B. 36 C. 8 D. 13
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Solve the application and write a sentence answering the question.Matthew has saved a total of $14,000, of which $1400 is invested in the stock market. What percent of his total savings is invested in the stock market?
A. 20% is invested in the stock market. B. 10% is invested in the stock market. C. 5% is invested in the stock market. D. 15% is invested in the stock market.
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Solve for any x-intercepts for the graph of 
.
A. 
B. 
C. 
D. 
E. 
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