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- 1. Multiple Choice
A geometry student wants to draw a rectangle inscribed in a semicircle of radius 7. If one side must be on the semicircle's diameter, what is the area of the largest rectangle that the
student can draw?
49
42
14
7√7
- 2. Multiple Choice
A farmer wants to construct a rectangular pigpen using 400 ft of fencing. The pen will be built next to an existing stone wall, so only three sides of fencing need to be constructed to enclose the pen. What dimensions should the farmer use to construct the pen with the largest possible area?
100ft x 200ft
102ft x 196 ft
50 ft x 300 ft
50 ft x 175 ft
- 3. Multiple ChoiceIf y=2x-8, what is the minimum value of the product xy?-16-8-42
- 4. Multiple ChoiceThe volume of a cylindrical tin can with a top and a bottom is to be 16π cubic inches. If a minimum amount of tin is to be used to construct the can, what must be the height, in inches, of the can?2 3√22√242 3√4
- 5. Multiple ChoiceA rectangular page is to contain 144 sq. inches of print. the margins on each side are 1 inch. Find the dimensions of the page that would use the least paper16, 1615,1514,1413,13
- 6. Multiple ChoiceWe want to construct a box whose base length is 3 times the base width. If the box must have a volume of 50 ft3, determine the dimensions that will minimize the amount of material used.w=2.027ft, h=4.055ft, l=6.082ftw=1.488ft, h=3.347ft, l=6.694ftw=2.231ft, h=3.347ft, l=6.694ftw=0.485ft, h=2.111ft, l=4.222ft
- 7. Multiple Choice
Rachel is standing atop a 13 ft ladder. The ladder is leaning against a vertical wall. The ladder starts sliding away from the wall at a rate of 3 ft/sec. How fast is the ladder sliding down the wall when the tip of the ladder is 5 ft high?3 ft/sec-7.2 ft/sec7.2 ft/sec12 - 8. Multiple Choice(3 min) The area of a circular region is increasing at a rate of 96 π square meters per second. When the area of the region is 64 π square meters, how fast, in meters per second, is the radius of the region increasing?68164√3
- 9. Multiple ChoiceWhat are the intervals of the graph increasing for f(x) = 2x4- 4x2 + 1(-1,0)(0,1)(-∞,-1) and (1,∞)(0,1) and (-1,0)
- 10. Multiple ChoiceFind the point(s) of inflection for f(x) = 2(x)1/5 + 3Nonex = 0x = 0, 2x = -2, 0, 2
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