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3.12 Quiz: The Fundamental
Polynomial function f(x) has only 3 real roots. It has a root at 9 and a double root at -5. It has a y-intercept of 45.
Which equation represents f(x)?
Of(x) = 2(x +9)(x - 5)
Of(x) = -2(x - 9) (3 +5)
of(x) = } (x +9)(x - 5)
f(x) = - ] (se – 9)(x + 5)2