Factor the polynomial completely.x2 - x - 63
A. prime polynomial
B. (x - 63)(x + 1)
C. (x - 7)(x + 9)
D. (x + 7)(x - 9)
Answer: A
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves about the given lines.y = 5x,
y = 0,
x = 3; revolve about the line x = -3
A. 225?
B. 
C. 
?
D. - 45?
Mathematics
Evaluate the integral.
A. - 
y2 sin 5y + 
y cos 5y + 
sin 5y + C
B. - 
y2 cos 5y + 
y sin 5y + 
cos 5y + C
C. - 
y2 cos 5y + 
y sin 5y + 
cos 5y + C
D. 
y2 cos 5y - 
y sin 5y - 
cos 5y + C
Mathematics
Add or subtract. Write the answer in lowest terms.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Add. Simplify, if possible.
+ 
A. 
B. - 
x - 
C. 
D. 
Mathematics