Polynomial Functions and Complex Zeros

Q1Chapter 1.5AEasyAP Precalculus

For a polynomial function $p$ , it is known that $p(4)=0$ . Which of the following must be true?

I. $(x-4)$ is a factor of $p(x)$ .
II.The graph of $p$ has an $x$ -intercept at $(4,0)$ .
III. $p(0)=4$ .

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