In Problems 3142, graph each polynomial function f by following Steps 1 through 5. f (x) =
Question:
In Problems 31–42, graph each polynomial function f by following Steps 1 through 5.
f (x) = x3 + 2x2 − 8x
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Steps for Graphing a Polynomial Function STEP 1: Determine the end behavior of the graph of the function. STEP 2: Find the x- and y-intercepts of the graph of the function. STEP 3: Determine the real zeros of the function and their multiplicity. Use this information to determine whether the graph crosses or touches the x-axis at each x-intercept. STEP 4: Determine the maximum number of turning points on the graph of the function. STEP 5: Use the information in Steps 1 through 4 to draw a complete graph of the function. To help establish the y-axis scale, find additional points on the graph on each side of any x-intercept.
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To graph the polynomial function fx x3 2x2 8x we can follow the steps below Step 1 Determine the xin...View the full answer
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Related Book For
Precalculus Concepts Through Functions A Unit Circle Approach To Trigonometry
ISBN: 9780137945139
5th Edition
Authors: Michael Sullivan
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