Use the graph to evaluate the expression.Find (f ? f)(-3) and (g ? g)(-4).
A. (f ? f)(-3) = 3; (g ? g)(-4) = 0
B. (f ? f)(-3) = 3; (g ? g)(-4) = 4
C. (f ? f)(-3) = 7; (g ? g)(-4) = 2
D. (f ? f)(-3) = 9; (g ? g)(-4) = 2
Answer: C
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Write as a fraction or as a mixed number
%
A. 
B. 
C. 
D. 
Solve the problem.A nuclear scientist has a sample of 
of a radioactive material which has a half-life in hours. She monitors the amount of radioactive material over a period of a day and obtains the following data. Use a graphing utility to fit an exponential function to the data. Predict the amount of material remaining at 40 hours.
.
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