We must graph y=x^3-9x^2+11x+21. Please, see the attached file.
Then we see were the graph cuts the x-axis, and these values of x are the real solutions of the given equation:
The real solutions of the given equation are:x = -1, 3, and 7
Answer:
Use trig ratios to find unknown sides in right triangles.
Step-by-step explanation:
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<em>Hi there!</em>
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<em>1:10000 would be the scale.</em>
<em>❀Hope this helped you!❀</em>
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