Solve the problem.The life expectancy of inhabitants of a country can be approximated by the equation y = 0.305x - 385, where x is a year between 1940 and 2006 and y is age in years. Use this mathematical model to approximate life expectancy (to the nearest tenth of a year) in 1973.
A. 301.8 yr
B. 216.8 yr
C. 597.9 yr
D. 563.3 yr
Answer: B
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Find a function that satisfies the given conditions and sketch its graph.
g(x) = -5, 
g(x) = 5, 
g(x) = 5,
g(x) = -5.
What will be an ideal response?
Solve. Round to the nearest whole if necessary.One day 24 teachers were sick with the flu. If this were 96% of the total number of teachers, how many teachers were there altogether?
A. 2304 teachers B. 23,040 teachers C. 250 teachers D. 25 teachers
The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
?
What will be an ideal response?
Use the distributive property to rewrite the expression.- 
(-8x - 16y)
A. 4x - 8y B. -4x - 8y C. 12x D. 4x + 8y