Solve the problem.The amount of water (in gallons) in a leaky bathtub is given in the table below. Using a graphing utility, fit the data to a third degree polynomial (or a cubic). Then approximate the time at which there is maximum amount of water in the tub, and estimate the time when the water runs out of the tub. Express all your answers rounded to two decimal places.
A. maximum amount of water after 5.37 minutes; water runs out after 11.06 minutes
B. maximum amount of water after 8.23 minutes; water runs out after 19.73 minutes
C. maximum amount of water after 5.31 minutes; water never runs out
D. maximum amount of water after 5.31 minutes; water runs out after 8.23 minutes
Answer: D
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Which of the following is not true? ?
A. ?An Obtuse angle has a measure in the interval: 0? < ? <180?. B. ?An Obtuse angle has a measure in the interval: 90? < ? < 180?. C. ?An Acute angle has an angle more than 0? and less than 90?. D. ?ATriangle is a closed figure using the fewest number of straight sides. E. ?ATriangle has exactly three interior angles.
Determine whether the given ordered pair is a solution of the given system of equations.
; 
A. Yes B. No
Perform the indicated operation. Write the answer in simplest form.
÷ 
A. 39
B. 
C. 37
D. 38
Write the first four terms of the recursive sequence.a1 = -10, an = n - an - 1 for n ? 2
A. -11, -8, -10, -7 B. -10, 12, -9, 13 C. -10, -20, 10, -30 D. -10, -8, 11, -7