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trodgers0202
01.03.2020 •
Mathematics
The polynomial function y = -0.005x4 + 0.05x3 – 0.086x2 – 0.04x + 2.52 represents the fluctuating gas price (in dollars per gallon) in a city over the course of 6 years. Calculate the average rate of change from year 0 to year 2, and then calculate the average rate of change from year 3 to year 6.
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Ответ:
Part a) The average rate of change is -0.052
part b) The average rate of change is 0.311
Step-by-step explanation:
we have
we know that
the average rate of change is equal to
Part a) Calculate the average rate of change from year 0 to year 2
In this problem we have
Substitute
Part b) Calculate the average rate of change from year 3 to year 6
In this problem we have
Substitute
Ответ:
9
Step-by-step explanation: