1 answer:
Answer:
A) -15
Step-by-step explanation:
The average rate of change of f(x) on interval [a, b] is given by ...
(f(b) -f(a))/(b -a)
Here, you have ...
f(x) = -2^x +70
[a, b] = [2, 6]
so the average rate of change is ...
(f(6) -f(2))/(6 -2) = ((-2^6 +70) -(-2^2 +70))/4 = (-64 +4)/4 = -16+1
average rate of change = -15
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