4. For the three-part question that follows, provide your answer to each part in the given workspace. Identify each part with a coordinating response. Be sure to clearly label each part of your response as Part A, Part B, and Part C.
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Use the equation below to complete Part A, Part B, and Part C.
f(x) = 3,2 - 12x - 85
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Part A: Provide the zeros of the function.
Part B: Show all work to support Part A.
Part C: Explain why the function is set equal to 0 to answer Part A. Then, explain the significance of the locations found in Part A.