Question

Which of the following graphs represents the function f(x) = x4 − 2x3 − 9x2 + 2x + 8?

Answer 1

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Answer 2

For this case we have the following function:

`image`

We can rewrite the function as follows:

`image`

Therefore, the cut points of the function with the x axis are given by:

`image`

We observe then that the following graph corresponds to the given function. (See attached image)

Answer:

See attached image