Graph the pair of parametric equations with the aid of a graphing calculator.x = 7t - 7 sin t, y= 7 - 7 cos t, -2? ? t ? 2? 
A. 
B. 
C. 
D. 
Answer: B
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Provide an appropriate response.Given the fact that 1 inch = 2.54 cm, change 5 feet to meters.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The cumulative number (in thousands) of deaths from a certain disease from 2000 to 2010 may be modeled by 
where x = 0 corresponds to 2000, x = 1 to 2001, etc. Use the formula for A to estimate symbolically the year when the total number of deaths reached 150 thousand.
A. 2009 B. 2007 C. 2010 D. 2008
Solve the problem.The table shows the percentage of seniors at a certain 4-year college who believed that after graduating they would be able to find a job related to their field of study.
(a) Does the table define a function?(b) What are the domain and range?(c) Call this function f. Give two ordered pairs that belong to f.
What will be an ideal response?
Solve the problem.The figure shows the cost of renting a car, f(x), as a function of distance driven, x, in miles, for distances not exceeding 70 miles. 
(i) Find
f(x).(ii) Find
f(x).(iii) What can you conclude about
f(x)? How is this shown by the
graph?(iv) What aspect of costs of renting a car causes the graph to jump vertically by the same amount at its discontinuities? What will be an ideal response?