Solve the equation.
= 9
A. 
B. {9}
C. 
D. 
Answer: C
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Use inequality symbols to rewrite the statement.-2 is less than y.
A. -2 > y B. -2 ? y C. -2 < y D. -2 ? y
Find the length of the arc on a circle of radius r intercepted by a central angle ?. Round answer to two decimal places.r = 4 centimeters, ? = 55°
A. 3.46 centimeters B. 4.22 centimeters C. 3.84 centimeters D. 3.07 centimeters
Determine any local or absolute extrema as indicated.Estimate graphically the absolute extrema of f(x) = 
x3 + 1x2 - 3x.
A. Absolute maximum: 9; absolute minimum: 1 B. Absolute maximum: ?; absolute minimum: -? C. Absolute maximum: -3; absolute minimum: 1 D. No absolute maximum; no absolute minimum
Use Euler circles to check the validity of the argument. ? No politicians are honest. Some dishonest people are found out. Therefore, some politicians are found out. ? The argument is __________. ?
A. not valid B. valid