ybetancourt1
05.02.2020 •
Mathematics
Let f(x)=x^2+5x-8. what is the average rate of change from x = 2 to x = 6? enter the answer in the box
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Ответ:
13
Step-by-step explanation:
The average rate of change of f(x) in the closed interval [ a, b ] is
Here [ a, b ] = [2, 6 ]
f(b) = f(6) = 6² + 5(6) - 8 = 36 + 30 - 8 = 58
f(a) = f(2) = 2² + 5(2) - 8 = 4 + 10 - 8 = 6
Hence
average rate of change =
= 
= 13
Ответ: