Name the curve with the given polar equation. If it is a conic, give its eccentricity.r = 
A. Vertical ellipse; e = 
B. Vertical hyperbola; e = 6
C. Horizontal ellipse; e = 
D. Parabola opening downward; e = 1
Answer: A
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Find the exact area under the curve between the indicated values of x.y = 2x - x2; between x = 0 and x = 2
A. 
B. 
C. 
D. 
Find all values that make the expression undefined.
A. 6, -6 B. 5, -3 C. 0 D. -5, -3
Use a graphing calculator to approximate all real solutions of the equation.y = x4 + 6x3 + 7x2 - 6x - 8
A. -4, -2, 1, 1 B. -1, 1, 2, 4 C. -2, -1, 1, 4 D. -4, -2, -1, 1
Write the decimal in words.0.4643
A. Four thousand six hundred forty-three thousandths B. Four thousand six hundred forty-three hundredths C. Four thousand six hundred forty-three ten-thousandths D. Four thousand six hundred forty-three hundred-thousandths