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OpenStudy (anonymous):
The value -2 is a lower bound for the zeros of the function shown below. f(x)=4x^3-12x^2-x+15
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OpenStudy (anonymous):
True or false?
OpenStudy (usukidoll):
all positive values are upper bound all negative values are lower bound
OpenStudy (anonymous):
is it false? I use synthetic division right? I got 4, -20, 39, 171
OpenStudy (usukidoll):
can you draw that synthetic division for me?
OpenStudy (anonymous):
|dw:1437277905106:dw| sorry it's kind of hard to read but i just realized i messed up earlier haha is it still false though?
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