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OpenStudy (jadareese_18):
Use the Intermediate Value Theorem to choose an interval over which the function, f(x)=-2x-3x+5, is guaranteed to have a zero. a. [-3,-2] b. [-2,0] c. [0,2] d. [2,4]
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OpenStudy (jadareese_18):
@mathmate Help me out please?
OpenStudy (loser66):
just plug the numbers in to get the answer. Like for a) f(-3) =? , f(-2) =?
OpenStudy (loser66):
hey!! f(x) =-2x -3x +5???? something is wrong???
OpenStudy (jadareese_18):
I'm a little confused....
OpenStudy (loser66):
read your function and tell me if you type it right
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OpenStudy (jadareese_18):
Yes, I typed it correctly.
OpenStudy (loser66):
so, why is -2x-3x but not -5x?
OpenStudy (jadareese_18):
ohh.... it's f(x)=-2x^3-3x+5
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