Question

A polynomial function P and its graph are given. P(x) = 2x4 − 8x3 + 4x2...

A polynomial function P and its graph are given.

P(x) = 2x4 − 8x3 + 4x2 + 8x − 6

(a) List all possible rational zeros of P given by the Rational Zeros Theorem. (Enter your answers as a comma-separated list.)
x =  

  

(b) From the graph, determine which of the possible rational zeros actually turn out to be zeros. (Enter your answers as a comma-separated list. Enter all answers including repetitions.)
x =  

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