Solve the problem.A spring has a natural length of 
. A force of 
stretches the spring to 36 in. How far beyond its natural length will a 
force stretch the spring?
A. 2.5 in
B. 40 in
C. 5 in
D. 4 in
Answer: A
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Solve the problem.The following table shows a country's population from 1995 to 1998:
Divide the population for each year by the population in the preceding year. Use this ratio to write the general term of the geometric sequence describing the country's population growth n years after 1994. Then estimate the country's population, in millions, in 2005.
A. an = 12.10(1.04)n - 1; 18.63 million B. an = 12.10(1.04)n - 1; 17.91 million C. an = 12.10(1.03)n - 1; 20.44 million D. an = 12.10(1.03)n - 1; 21.67 million
Write the inequality using interval notation. Graph the inequality.x ? 0
A. (-?, 0)
B. [0, ?)
C. (-?, 0]
D. (0, ?)
Describe how the graph of the equation relates to the graph of y = x2.f(x) = 6x2
A. a horizontal stretch by a factor of 6 B. a vertical stretch by a factor of 6 C. a translation 6 units to the right D. a translation 6 units up
Graph the function below and experiment with the viewing window to obtain a complete graph, adjusting the ranges where necessary. Does the figure below show the complete graph?
?
?
?
A. Yes B. No