Perform the indicated operation.(n + 9)2
A. n2 + 18n + 81
B. n + 81
C. n2 + 81
D. 81n2 + 18n + 81
Answer: A
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Find an equation for the ellipse described.Foci at (-3, 4) and (-3, -2); length of major axis is 10
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve.A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the height of the silo is 113 feet and the radius of the hemisphere is r feet, express the volume of the silo as a function of r.
A. V(r) = ?(113 - r)r3 + 
?r2
B. V(r) = ?(113 - r)r2 + 
?r3
C. V(r) = ?(113 - r) + 
?r2
D. V(r) = 113?r2 + 
?r3
Provide an appropriate response.A number rounded to the nearest thousand is 89,000. What is the largest whole number this could have been before rounding?
A. 89,999 B. 89,500 C. 89,499 D. 88,999
Find the x- and y-intercepts of f.f(x) = -x2(x + 3)(x2 + 1)
A. x-intercepts: -3, -1, 0; y-intercept: -3 B. x-intercepts: -3, -1, 0; y-intercept: 3 C. x-intercepts: -3, -1, 0, 1; y-intercept: 0 D. x-intercepts: -3, 0; y-intercept: 0