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How Do You Graph a Polynomial Function by Making a Table?
Graph f(x) = x5 - 2x3 + 1.
Summary
- f(x) is a function that is dependent on 'x'
- The f(x) column represents the values we get when we plug each x-value into f(x) = x5-2x3+1
- The values for f(x) are y-values
- The ordered pairs generated from -0.5 and 0.5 will give a better idea of how the graph looks near the origin

Notes
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- Choose x-values to plug into f(x) to get an idea how the graph looks
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- Choose x-values to plug into f(x) to get an idea how the graph looks
- Remember, f(x) = x5-2x3+1
- Let's choose -2, -1, 0, 1, and 2 for our x-values
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- We picked the x-values of -2, -1, 0, 1, and 2
- Remember, f(x) = x5-2x3+1
- Don't forget that you have to raise the negative sign to the power too
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- We found ordered pairs by plugging in x-values into f(x) = x5-2x3+1
- The ordered pairs are:
- (-2,-15)
- (-1,2)
- (0,1)
- (1,0)
- (2,17)
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- Plotting the initial five points didn't give a clear enough picture
- We need to pick values that will help get us a better picture of what's going one between when x is -1 and 1
- Plot the point (-0.5,1.28125) on our graph
- Then, plot the point (0.5,0.78125) on the graph
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- Connect the points that we just plotted to graph the function