If the only zeros of a degree four polynomial function, f, are (-3, 0), (1, 0) and (3, 0), which statement(s) is always true about this function? I. The y-intercept is 4. II. f(-3) = 0 III. The equation of the function has a double root.
Added by Susan S.
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Since the zeros are given as (-3, 0), (1, 0), and (3, 0), we know that the polynomial can be written in the form: f(x) = a(x + 3)(x - 1)(x - 3)^2, where a is a constant. Show more…
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