The graph of a piecewise-defined function is given. Write a definition for the function. 
A. 
B.
f(x) = 
C. 
D. 
Answer: C
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Solve the problem.Sarah Katerinov is a high school student in Chicago. She will be going to college next year and is planning to visit the following campuses: University of Wisconsin at Madison, Harvard, and Ohio State University. How many different ways can she visit each of these schools and return to her starting point in Chicago?
A. 12 B. 5 C. 6 D. 24
Rewrite the following in its equivalent decimal form.2 ? 10-1 + 4 ? 10-4 + 9 ? 10-5 + 9 ? 10-6
A. 2.000499 B. 2.00499 C. 0.200499 D. 200,499
Find the slope of the tangent line to the graph at the given point.f(x) = -3x + 11 at (2, 5)
A. -3
B. - 
C. -11
D. 11
Find a function of the form f(x) = C ? bx, where b > 0, that is represented by the graph. 
A. f(x) = 5 ? 0.7x B. f(x) = 5 ? 0.9x C. f(x) = 4.5 ? 0.9x D. f(x) = 5 ? 1.1x