Compute the average rate of change of f(x)=(x+4)/(x-3) over the interval [5,7].
1 answer:
Answer:
Step-by-step explanation:
<u>Average rate of change is:</u>
<u>Find the values and substitute into expression:</u>
f(7) = (7 + 4)/(7 - 3) = 11/4 f(5) = (5 + 4)/(5 - 3) = 9/2 = 18/4 <u>Find the rate of change:</u>
(11/4 - 18/4)/2 = (-7/4)/2 = - 7/8 Correct choice is C
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