Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the x-axis
A. 2?
B. 8?
C. 4?
D. 
?
Answer: C
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Solve the inequality. Graph the solution set and write it in interval notation.1.4x - 3.8 > 0.8x - 2.48
A. (-?, 2.1)
B. (2.1, ?)
C. (2.2, ?)
D. (-?, 2.2)
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 7x2 - 2y2
A. Domain: all points in the x-y plane; range: all real numbers; level curves: ellipses 
B. Domain: all points in the first quadrant of the x-y plane; range: all real numbers; level curves: hyperbolas 
C. Domain: all points in the x-y plane; range: all real numbers; level curves: hyperbolas 
D. Domain: all points in the x-y plane; range: real numbers z ? 0; level curves: ellipses 
Evaluate the function as indicated.Find f(-1) when f(x) = x2 - 4x - 6.
A. -1 B. -9 C. 3 D. 11
Find a quadratic equation with integer coefficients that has the given solution set.{-14, 0}
A. x2 - 14 = 0 B. x2 - 14x = 0 C. x2 + 14 = 0 D. x2 + 14x = 0