Simplify.(-2a)5
A. -32a5
B. -10a5
C. -10a
D. -32a
Answer: A
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = ?/6 to x = ?/2. The cross sections perpendicular to the x-axis are circular disks with diameters running from the curve 
to the curve 
A. 
- 
B. (
- 1) ? + 
C. 
- 
D. (2
- 2) ? - 
Compute the product, expressing the answer in lowest terms.
× 
A. 
B. 
C. 
D. 
The vertex of a parabola occurs where the derivative of its equation is 0, so an equation associated with the equation of a parabola can be solved to find the x-coordinate of the vertex. Find the vertex of the parabola, given the equation of the parabola and its associated equation.Equation of parabola: f(x) = 3x - x2; associated equation: 0 = 3 - 2x
A. 
B. 
C. 
D. 
Factor the trinomial, if possible.9x2 - 39x - 30
A. (3x + 2)(3x - 15) B. (9x + 6)(x - 5) C. 3(3x + 2)(x - 5) D. 3(3x - 2)(x + 5)