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. Solve the equation for h. Use the result to determine the height from which an object was dropped if it hits the ground after falling for 3 seconds.
A. h = 24.01t2; 216.1 m
B. h = 4.9t2; 44.1 m
C. h = 4.9t; 14.7 m
D. h = 24.01t; 72 m
Answer: B
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Write the quotient in the form a + bi.
A. 
- 
i
B. 
+ 
i
C. 1 + 1i
D. 
+ 1i
Use transformations of graphs to sketch the graphs of y1 and y2. Graph y2 as a dashed curve.y1 = x2, y2 = - 
(x + 5)2 + 2
A. 
B. 
C. 
D. 
Match the equation with the graph that would most closely resemble its graph.y = x + 5
A. 
B. 
C. 
D. 
A manufacturer of wooden chairs and tables must decide in advance how many of each item will be made in a given week. Use the table to find the system of inequalities that describes the manufacturer's weekly production.Use x for the number of chairs and y for the number of tables made per week. The number of work-hours available for construction and finishing is fixed.
A. 3x + 5y ? 45 3x + 3y ? 30 x ? 0 y ? 0 B. 3x + 5y ? 45 3x + 3y ? 30 x ? 0 y ? 0 C. 5x + 3y ? 30 3x + 3y ? 45 x ? 0 y ? 0 D. 5x + 3y ? 45 3x + 3y ? 30 x ? 0 y ? 0