Algebra

Zeroes at 1±sqrt(2) ,y-intercept at –4

f(x)=?

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  1. many functions meet those criteria, but one of them is

    given roots:
    y = (x - (1+√2))(x-(1-√2))
    = x^2-2x-1

    That has a y-intercept of -1. So, multiply it by 4. It has the same roots, but now y(0) = -4.

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