Find the root form of the polynomial function f whose real roots and y-intercept are given on the graph.
A. f(x) = 
(x - 1)(x - 4)(x + 3)
B. f(x) = 
(x + 1)(x + 4)(x - 3)
C. f(x) = 
(x + 1)(x + 4)(x - 3)
D. f(x) = 
(x + 1)(x + 4)(x + 3)
Answer: C
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