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Polynomial Functions
Using transformations and the zeros of the polynomial function f(x)=x(x-4)(x+2) how could you determine the zeros of y=f(2x)??
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f(x) = x(x-4)(x+2)
f(2x) = 2x(2x-4)(2x+2) If f(2x)=0, then (2x=0) or (2x-4 = 0) or (2x+2 = 0), so x=0 or x=2 or x=-1. |
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