Solve the problem.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t =
, where t is measured in seconds. If an object falls 122.5 meters before it hits the ground, find the time it took for the object to fall.
A. 5 sec
B. 25 sec
C. 6 sec
D. 8 sec
Answer: A
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Round following numbers as indicated.2.59588 (nearest thousandth)
A. 2.596 B. 2.59588 C. 2.696 D. 2.496
Solve the problem.The number of users logging on to an online gaming website are shown in the table for various years.Let n be the number of users (in millions) in the year that is t years since 2000. A model of the situation is
Predict the number of users in 2012.
A. 24 B. 32 C. 34 D. 33
Use any method (analytic or graphical) to solve the equation. If necessary, round the answer to the nearest thousandth.log2 =
A. {32} B. {- 16, 16} C. {- 1024, 1024} D. {- 32, 32}
Fill in each blank with the appropriate response.The graph of y = - (x + 2)2 - 8 can be obtained from the graph of y = x2 by shifting horizontally ___ units to the ______ , vertically shrinking by a factor of
reflecting across the __-axis, and shifting vertically ___ units in the _______ direction.
A. 2; right; ; x; 8; downward
B. 2; right; ; x; 8; upward
C. 2; left; 8; x; ; downward
D. 2; left; ; x; 8; downward