# Finding the Points of Inflection

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Find the x-coordinate of the points of inflection of f(x) = 47 + 13x + 18x^ 2 + 4x^ 3 - x^ 4

-3, 1

-1, 3

-3, -1

1, 3

-4, -1

1, 4

-4,1

-1, 4

none of these.

https://brainmass.com/math/graphs-and-functions/finding-points-inflection-139455

#### Solution Preview

To get the points of inflection of f(x) = 47 + 13x + 18x^ 2 + 4x^ 3 - x^ 4, we need to find f''(x). ...

#### Solution Summary

Points of inflection are found.The solution is detailed and well presented.

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