Provide an appropriate response.The area of the surface formed by revolving the graph of 
from 
to 
about the line 
is 
The area of the surface formed by revolving the graph of r = f(?) from ? = ? to ? = ? about the
line 
is 
Use the idea underlying these two integral formulas to find the surface area of the torus formed by revolving the circle r = a about the line 
where 
What will be an ideal response?
4?2ab
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Solve the equation by factoring.x2 - 4 = 3x
A. {-2, -2} B. {1, -4} C. {-2, 2} D. {-1, 4}
Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 + 6x
A. Opens: Up;
Vertex: (- 3, - 9);
x-intercepts: (0, 0) and (-6, 0);
y-intercept: (0, 0)
B. Opens: Up;
Vertex: (3, - 9);
x-intercepts: (0, 0) and (6, 0);
y-intercept: none
C. Opens: Up;
Vertex: (3, - 9);
x-intercepts: (0, 0) and (6, 0);
y-intercept: (0, 0)
D. Opens: Up;
Vertex: (- 3, - 9);
x-intercepts: (0, 0) and (-6, 0);
y-intercept: none
Find the slope of the line. 
A. -3
B. - 
C. 
D. 3
The function 
is one-to-one on the domain 
Find 
a. 
b. 
c. 
d. 
e. 