Evaluate.m3 when m = 2
A. 5
B. 6
C. 8
D. 4
Answer: C
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Evaluate the function for the given value of x.f(x) = -7x2 - 4x - 9 , x = - 8
A. f( - 8) = -489 B. f( - 8) = -433 C. f( - 8) = -422 D. f( - 8) = -425
Use the theorem on bounds to establish the best integral bounds for the roots of the equation.3x4 - 8x3 - 8x - 9 = 0
A. -1 < x < 4 B. -2 < x < 1 C. -1 < x < 1 D. -2 < x < 2
Solve the problem.A rectangular window pane must have a perimeter of 112 centimeters. Write a completely factored polynomial whose values give the area of the window pane if one side is x centimeters long.
A. x(28 - x)2 B. x2(28 - x) C. x(56 - x) D. x(x - 84)
Set up the linear programming problem.An office manager is buying used filing cabinets. Small file cabinets cost $5 each and large file cabinets cost $11 each, and the manager cannot spend more than $73 on file cabinets. A small cabinet takes up 7 square feet of floor space and a large cabinet takes up 10 square feet, and the office has no more than 86 square feet of floor space available for file cabinets. The manager must buy at least 7 file cabinets in order to get free delivery. Let x = the number of small file cabinets bought and y = the number of large file cabinets bought. Write a system of inequalities that describes these constraints.
A. 5x + 11y ? 73 7x + 10y ? 86 y ? 7 B. 5x + 11y ? 73 10x + 7y ? 86 x ? 7 C. 5x + 11y ? 73 7x + 10y ? 86 x + y ? 7 D. 5x + 11y ? 73 7x + 10y ? 86 x + y ? 7