Solve the problem.If a rocket is propelled upward from ground level, its height h in meters after t sec is given by h(t) = -9.8t2 + 98t. During what interval of time will the rocket be higher than 
A. 3 sec < t < 7 sec
B. 0 sec < t < 7 sec
C. 0 sec < t < 3 sec
D. 6 sec < t < 10 sec
Answer: A
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Which of the following is not a possible example of the presence of the Golden Ratio?? ?
A. ?The proportions of Mona Lisa's face. B. ?The ratio of the length to the height of the Parthenon. C. ?The ratio of the length to the width of a traditional light switch. D. ?The ratio of length and width of a standard piece of paper (8.5" × 11"). E. ?The Mason's slide-rule and compass symbol.
Simplify the radical. Assume that all variables represent positive real numbers.
A. x2
B. x2
C. x
D. x2
Solve the equation.
= 
+ 8
A. {20}
B. {40}
C. {32}
D. 
Find the specified value of the objective function f on the given region.
Minimum of f = 7x + 3y
A. 36 B. 0 C. 16 D. 24