Simplify.
A. 28
B. 92
C. Not a real number
D. 68
Answer: D
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Evaluate the integral.
A. - 
B. 
C. 
D. 0
Use the minimum and maximum features of a graphing calculator to find approximately the intervals on which the function is increasing or decreasing. Round your values to two decimal places, if necessary.y = x4 - 11x2 + 24
A. dec (-?, -2.83), (-1.73, 1.73), (2.83, ?) inc (-2.83, -1.73) , (1.73, 2.83) B. dec (-?, -2.35), (2.35, ?) inc (-2.35, 2.35) C. inc (-?, -2.35), (0, 2.35) dec (-2.35, 0), (2.35, ?) D. dec (-?, -2.35), (0, 2.35) inc (-2.35, 0), (2.35, ?)
Determine whether the relation represents a function. If it is a function, state the domain and range.
A. function domain:{18, 30, 42, 54} range: {3, 5, 7, 9} B. not a function C. function domain: {3, 5, 7, 9} range: {18, 30, 42, 54}
Solve the problem.A retailer knows that n games can be sold in a month if the price is 
dollars per game. If he buys each game for $8, and if he wishes to make a profit of at least $160 per month on sales of this game, how many games must he sell each month?
A. 20 ? n ? 40 B. 20 ? n ? 30 C. 20 ? n ? 20 D. 20 ? n ? 60