Solve the problem.The distance traveled by an object moving in a straight line is given by s = t2 - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 12 feet?
A. 9.3 sec
B. 9.1 sec
C. 4.8 sec
D. 13.0 sec
Answer: A
Mathematics
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Simplify each side of the equation and then solve. Check your solution.-3x - 9x - 2x = -126
A. - 
B. 
C. 9
D. -9
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Find the area of the following figure. Assume the triangle is a right isosceles triangle and the curve is a semicircle. Show your work.
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Use the vertical line test to determine if the graph is a graph of a function.
A. Not a function B. Function
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Find the second-order partial derivative.Find fxx when f(x, y) = x5y5 - 
x7y7 + 17x - y.
A. 4x3y5 - 6
x5y7
B. 20x4y5 - 42
x6y7
C. 20x3y5 - 42
x5y7
D. 20x3y4 - 42
x5y6
Mathematics