Solve the problem.The percent p of high school students who participate in sports at a public high school can be modeled by 10p - 24x = 196,where x is the number of years after 2010. Interpret the p intercept of the graph of this function.
A. The percent of high school students who participate in sports at this school is increasing 2.4 percent per year.
B. The percent of high school students who participate in sports at this school is increasing 19.6 percent per year.
C. In 2010, 19.6% of the high school students at this school participated in sports.
D. In 2010, 28.8% of the high school students at this school participated in sports.
Answer: C
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The speed of sound in air depends on the temperature. When the temperature is 32 degrees Fahrenheit, the speed 
of sound is 1087.5 feet per second. The average rate of change for ?S is 1.1 feet per second per degree Fahrenheit. Use these facts to estimate the speed of sound in air when the temperature is 59 degrees Fahrenheit.
?
A. 1088.6 feet per second B. 1097.5 feet per second C. 1117.20 feet per second D. none of the above
Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-2 - (-11)
A. 9 B. -13 C. 13 D. -9
Solve the problem.Suppose that an insect population density, in thousands, during year n can be modeled by the recursively defined sequence: 
.Use technology to graph the sequence for n = 1 , 2 , 3 , ........., 20 . Describe what happens to the population density function.
A. The insect population stabilizes near 10.78 thousand. B. The insect population stabilizes near 10.03 thousand. C. The insect population increases every year. D. The insect population stabilizes near 7.58 thousand.
Add or subtract as indicated. Simplify if necessary.
+ 
A. 
B. 
C. 
D. 