Add.(4n6 - 3n + 7n4) + (-2n4 + 8n6 + 8n)
A. 12n + 5n6 + 5n4
B. 5n6 + 2n4 + 15n
C. 22n11
D. 12n6 + 5n4 + 5n
Answer: D
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The following data show the speed S, in miles per hour, of a car when the brakes are applied and the stopping distance D, in feet. S 15 25 35 60 75 D 44.1 85.07 136.72 304.49 433.32? A: Use power regression to model the stopping distance as a function of the speed. Use two digits of accuracy for the coefficient and for the power.B: Plot the data along with the power model you found in part A.C: According to the power model, if the speed is multiplied by 3, how is the stopping distance affected? Round your answer to two decimal places.
What will be an ideal response?
Solve the problem.You have 92 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area.
A. length: 46 ft, width: 23 ft B. length: 46 ft, width: 46 ft C. length: 69 ft, width: 23 ft D. length: 23 ft, width: 23 ft
Use a sum or difference identity to find the exact value.sin 
A. 
B. 
C. 
D. 
Set up an integral for the length of the curve.y6 + 6y = 6x - 1, 1 ? y ? 2
A. 
B. 
C. 
D. 