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OpenStudy (anonymous):
determine the range and the zeros of: f(x)= 13-20x-x^2-3x^4
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OpenStudy (imstuck):
If you can use a graphing calculator you have it made. If not, you're in deep confusion. I used my TI-83+ and got the zeros to be -2.01 and .61, with the range at its highest point at (-1.06,29.3)
OpenStudy (anonymous):
can you show your work?
OpenStudy (anonymous):
OpenStudy (anonymous):
anyone who solves the attachment is my hero and my life saver also gets a medal
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