Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.f(x) = 3(x + 1)(x + 7)2

A. 1, multiplicity 1, touches x-axis and turns around; 7, multiplicity 2, crosses x-axis
B. -1, multiplicity 1, crosses x-axis; -7, multiplicity 2, touches x-axis and turns around
C. -1, multiplicity 1, touches x-axis and turns around; -7, multiplicity 2, crosses x-axis
D. 1, multiplicity 1, crosses x-axis; 7, multiplicity 2, touches x-axis and turns around


Answer: B

Mathematics

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