A waitress makes a 20% tip for serving the guests of a large dinner party. How much of a tip would she make on a dinner total of
2 answers:
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Answer:
A
Step-by-step explanation:
The average rate of change of f(x) in the closed interval [ a, b ] is
here [ a, b [ = [ 3, 5 ]
From the table
f(b) = f(5) = - 26
f(a) = f(3) = - 10
Hence average rate of change
= =
= - 8 → A