lburch112
27.10.2019 •
Mathematics
Megan hiked 15.12 miles in 6.3 hours is meghan hike the same number of miles each hour how many miles did she hike each hour
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Ответ:
Ответ:
Relative maximum at x=12
Relative minimum at x=-4
Inflection point at x=4
Step-by-step explanation:
To find all the critical points of the function we need the first derivative of the function
According to Fermat's theorem, it will be a critical point in y'(x)=0, then
With the test of the second derivative, we can know if the points are relative extrema or inflections.
The second derivative test says: if then x is a relative maximum, if then x is a relative minimum. So x=12 is a relative maximum and x=-4 is a relative minimum.
To find the inflection point y''(x)=0