Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.x = 3
, x = - 3y, y = 1
A. 6?
B. 
?
C. 
?
D. 8?
Answer: C
Mathematics
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Evaluate.53 + 40
A. 15 B. 125 C. 27 D. 126
Mathematics
Use an Euler diagram to determine whether the argument is valid or invalid.All painters use paint.All painters use brushes.Some people who use paint are teachers.Therefore, Some painters are teachers.
A. valid B. invalid
Mathematics
Write the improper fraction as a mixed or whole number.
A. 6
B. 
C. 7
D. 8
Mathematics
Find the vertex, focus, and directrix of the parabola with the given equation.(y + 1)2 = 12(x + 4)
A. vertex: (-4, -1) focus: (-7, -1) directrix: x = -1 B. vertex: (4, 1) focus: (7, 1) directrix: x = 1 C. vertex: (-1, -4) focus: (2, -4) directrix: x = -4 D. vertex: (-4, -1) focus: (-1, -1) directrix: x = -7
Mathematics