Subtract. (y2 - 6y + 9) - (7y2 + 2y - 6)
A. -6y2 - 8y + 15
B. -6y2 - 4y + 3
C. -6y2 - 8y + 3
D. -6y2 - 4y + 15
Answer: A
Mathematics
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Find the average value of the function over the given interval.y = x2 - 4x + 3; [0, 9]
A. 12
B. 
C. 48
D. 36
Mathematics
Find the maximum or minimum value of the given objective function of a linear programming problem. The figure illustrates the graph of the feasible points.Objective Function: z = 5x + 7yFind maximum and minimum. 
A. maximum value: 37; minimum value: 21 B. maximum value: 72; minimum value: 15 C. maximum value: 72; minimum value: 21 D. maximum value: 37; minimum value: 15
Mathematics
Write as a decimal.47.15%
A. 4.715 B. 0.4615 C. 0.4715 D. 0.04715
Mathematics
Perform the exponentiation. 91
A. 
B. 9
C. 1.11111111
D. 1
Mathematics