A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number 
such that for all x, 0 < 
< ? ? 
< ?.f(x) = 3x - 10, L = -4, x0 = 2, and ? = 0.01
A. 0.005
B. 0.003333
C. 0.006667
D. 0.001667
Answer: B
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Solve the problem.In a Psychology class, the students were tested at the end of the course on a final exam. Then they were retested with an equivalent test at subsequent time intervals. Their average scores after t months are given in the table.
Using a graphing utility, fit a logarithmic function y = a + b ln x to the data. Using the function you found, estimate how long will it take for the test scores to fall below 84%. Express your answer to the nearest month.
A. 12 months B. 20 months C. 8 months D. 10 months
Find the mean, median, and mode. Round to the nearest tenth when necessary.Given these test scores:16.4, 2, 6, 7.3, 14, 16.4, 6, 2, 16.4, 16.4
A. 11.2, 10.65, two modes 6 and 16.4 B. 9.1, 10.65, 6 C. 10.3, 10.65, 16.4 D. 9.1, 10.65, two modes 6 and 16.4
Determine whether or not the graph represents a function.
A. function B. not a function
Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 y ? 2
A. 
B. 
C. 
D. 