Find the coordinates of the vertex and the direction of opening of each parabola.y = (x + 8)2 - 8
A. (-8, 8) opens downward
B. (-8, -8) opens upward
C. (8, -8) opens downward
D. (8, 8) opens upward
Answer: B
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The total weekly revenue (in dollars) of the company realized in manufacturing and selling its rolltop desks is given by
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where x denotes the number of finished units and y denotes the number of unfinished units manufactured and sold each week. The total weekly cost attributable to the manufacture of these desks is given by
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dollars. Determine how many finished units and how many unfinished units the company should manufacture each week in order to maximize its profit. What is the maximum profit(P) realizable?
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x = __________
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y = __________
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P = $__________
What will be an ideal response?
Solve the number problem by finding the value of the unknown number.When twice a number is subtracted from 25, the result is 15.
A. 8 B. 12 C. 4 D. 5
Solve.
- 
= 1
A. No solution B. 3 C. -3, -1 D. 3, -1
Add.(2x + 1) + (-8x + 8)
A. -6x + 9 B. 3x C. 3x + 0 D. 10x + 9