Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: 4i and -5i
A. f(x) = x4 - 4x3 + 41x2 + 400
B. f(x) = x4 - 5x2 + 400
C. f(x) = x4 + 41x2 + 400
D. f(x) = x4 + 41x2 -5x + 400
Answer: C
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Determine whether the Law of Sines or the Law of Cosines should be used to begin to solve the given triangle. Do not solve the triangle. 
A. Law of Sines B. Law of Cosines
Graph the function. State the domain and range of the function.f(x) = 
- 6
A. domain: (-1, ?); range: (6, ?)
B. domain: (-?, -1); range: (-6, ?)
C. domain: (-?, 1); range: (6, ?)
D. domain: (1, ?); range: (-6, ?)
Provide an appropriate response.Suppose that Jody drove 80 miles in 2 hours. Dividing 80 by 2 tells us how many miles Jody drove in each hour. The units for this rate are miles per hour (mi/hr). If we divide 2 by 80 what information would this give us? Give an interpretation of the rate 
What units would be used for this rate?
What will be an ideal response?
Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
A. Estimate: 120; exact: 114.62 B. Estimate: 12; exact: 11.462 C. Estimate: 12; exact: 11.362 D. Estimate: 120; exact: 113.62