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) = 4(x - 3)(x + 7)4
A. 3, multiplicity 1, touches x-axis; -7, multiplicity 4, crosses x-axis
B. 3, multiplicity 1, crosses x-axis; -7, multiplicity 4, touches x-axis
C. -3, multiplicity 1, crosses x-axis; 7, multiplicity 4, touches x-axis
D. -3, multiplicity 1, touches x-axis; 7, multiplicity 4, crosses x-axis
Answer: B
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