Solve the equation by completing the square.x2 - 14x + 32 = 0
A. {-7 ± 
}
B. {-14 + 4
}
C. {7 ± 4
}
D. {7 ± 
}
Answer: D
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Perform the indicated operation.P(x) = 3x3 - 6x2 + 3x - 13, Q(x) = x3 + 12x2 - 7; Find (P - Q)(x).
A. 2x3 - 18x2 - 3x + 6 B. 2x3 + 18x2 + 3x + 6 C. 2x3 - 18x2 + 3x - 6 D. 4x3 - 6x2 + 3x - 6
Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Solve.In the land of Taxalot, the function T(x) = 0.16(x - 8400) + 0.16 represents the tax bill T of a single person whose adjusted gross income is x dollars for incomes between 8400 and 26,800 inclusive. Which variable is independent and which is dependent?
A. The independent variable is gross income; the dependent variable is adjusted gross income B. The independent variable is T; the dependent variable is x C. The independent variable is x; the dependent variable is T D. The independent variable is x; the dependent variable is 8400
Indicate if the angle 50° is acute or obtuse. Then give the complement and the supplement of the angle. ?
A. obtuse;complement: 040° supplement: 130° B. acute;complement: 040° supplement: 130° C. acute;complement: 040° supplement: -50° D. obtuse;complement: 040° supplement: -50° E. acute;complement: 130° supplement: 040°