For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 3(x2 + 4)(x - 1)2
A. 1, multiplicity 2, crosses x-axis
B. -4, multiplicity 1, touches x-axis; 1, multiplicity 2, crosses x-axis
C. -4, multiplicity 1, crosses x-axis; 1, multiplicity 2, touches x-axis
D. 1, multiplicity 2, touches x-axis
Answer: D
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