Factor completely.x3 - x2 - 72x
A. Prime
B. x(x + 9)(x - 8)
C. x(x + 8)(x - 9)
D. (x2 + 1)(x - 72)
Answer: C
Mathematics
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Graph the curve described by the function. Use analysis to anticipate the shape of the curve before using a graphing utility.r(t) = 3 cos t i + 2 sin t j + cos 5t k, for 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
True or false?In Euclidean geometry, if two triangles have different side lengths, they cannot have identical angles.
A. True B. False
Mathematics
Evaluate the integral by making a substitution and then using a table of integrals.
A. 
+ ln 
+ C
B. 
- 
ln 
+ C
C. 
- 
ln 
+ C
D. 
+ 
sin-1 
+ C
Mathematics
Provide an appropriate response.Find the area of a square that measures 4 ft on a side.
Fill in the blank(s) with the appropriate word(s).
Mathematics