Find the value of the determinant.
A. 105
B. 81
C. -81
D. -45
Answer: B
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Solve the problem.What can be said about the flux of F = 
across a sphere centered at the origin? Will differing radii change the flux?
What will be an ideal response?
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 3x2 - 12x + 14
A. maximum at (2, 0) B. maximum at (2, 2) C. minimum at (2, 0) D. minimum at (2, 2)
Special products can be illustrated by using areas of rectangles. Use the figure to justify the special product 
Give the monomial that represents the area of the black square.
A. b2 B. 2a C. a2 D. ab
Solve the problem.A retailer knows that n games can be sold in a month at a price given by P(n) = 
, in dollars per game. Assume that he buys each game for 
and sells every one that he buys. If he wishes to make a profit of at least 
per month on sales of this game, how many games must he sell each month?
A. 20 ? n ? 50 B. 20 ? n ? 30 C. 0 ? n ? 20 D. 15 ? n ? 25