Solve the problem.Assume that a watermelon dropped from a tall building falls 
in t sec. Find the watermelon's average speed during the first 5 sec of fall and the speed at the instant 
A. 80 ft/sec; 160 ft/sec
B. 160 ft/sec; 81 ft/sec
C. 40 ft/sec; 80 ft/sec
D. 81 ft/sec; 162 ft/sec
Answer: A
Mathematics
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Find the limit, if it exists.
A. Does not exist B. 0 C. -8 D. 5
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Multiply.(x - 3)(x + 5)(4x - 2)
A. 4x3 - 6x2 + 64x + 30 B. 4x3 + 6x2 - 64x + 30 C. 4x3 - 64x2 + 6x + 30 D. 4x3 + 30
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Solve the application problem. Round to the nearest cent.
Find the amount of each payment into a sinking fund if $7000 must be accumulated. Payments are made at the end of each quarter for 3 years, with interest of 6% compounded quarterly.
A. $536.76 B. $2298.66 C. $414.96 D. $590.03
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Graph the circle.x2 + y2 = 100
A. 
B. 
C. 
D. 
Mathematics