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Mathematics 13 Online
OpenStudy (ria23):

The value -2 is a lower bound for the zeros of the function shown below. f(x)= 4x^3-12x^2-x+15 True or false?

OpenStudy (cwrw238):

f(-2) = -41 f(-1) = 0 and there are 2 positive roots by Descarte's rule of signs False

OpenStudy (ria23):

Thank yhu. ^~^

OpenStudy (cwrw238):

yw

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