Solve the polynomial equation in the complex numbers. x4 + 5x3 - 2x2 - 18x - 12 = 0
A. {-1, 3, -3 + 
, -3 - 
}
B. {-1, -2, -3 + 
, -3 - 
}
C. {1, -2, -3 + 
, -3 - 
}
D. {-1, 2, -3 + 
, -3 - 
}
Answer: D
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Solve.The cost of renting a certain type of car is $45 per day plus $0.08 per mile. A linear function that expresses the cost C of renting a car for one day as a function of the number of miles driven x is 
How many miles were driven if the rental cost for one day is $65.00?
A. 288 miles B. 813 miles C. 236 miles D. 250 miles
Use the midpoint formula to make the requested estimation.The life expectancy for a person living in a certain country born in 1990 was 78.9 years and the life expectancy of a person born in 2012 was 84.3 years. Estimate the life expectancy of a person living in this country born in 2001.
A. 81.6 yr B. 82.95 yr C. 83.6 yr D. 80.25 yr
Provide an appropriate response.What is always the last step when dividing a polynomial by a polynomial?
What will be an ideal response?
Use the given information to find the exact value of the trigonometric expression.cos ? = - 
; 
< ? < ?
Find cos(2?).
A. - 
B. 
C. - 
D. 