Solve.A box is constructed by cutting out square corners of a rectangular piece of cardboard and folding up the sides. If the cutout corners have sides with length x, then the volume of the box is given by the polynomial 
Factor out the greatest common factor for this expression.
A. 4x(x2 - 18x + 45)
B. 4(x3 - 18x2 + 45x)
C. 4x(x2 + 18x + 45)
D. 2x(2x2 - 36x + 90)
Answer: A
Mathematics
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Find the indicated derivative. Assume that x is restricted so that ln is defined.
if y = x16 ln x
A. 16x15 B. 16x15ln x C. 16x15ln x + x15 D. 16x15ln x + x16
Mathematics
Decide whether the expression is or is not an identity.
= 1 - cos x
A. Identity B. Not an identity
Mathematics
Solve the problem.Determine the number of points of intersection of the given curves. r1 = sin ?, r2 = sin ? + sin2 ?
A. 1 B. 3 C. 2 D. 0
Mathematics
Graph the equation.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics