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Mathematics 15 Online
OpenStudy (anonymous):

what would be the domain for this function? (24-x)(16-x)(x)

OpenStudy (anonymous):

lets say i just want the positive numbers

OpenStudy (anonymous):

would it be (0,24)?

OpenStudy (anonymous):

if you want positive numbers then what would make the output negative, what values for x would make the output negative?

OpenStudy (anonymous):

would it be (0,16)u(16,24) ?

OpenStudy (anonymous):

i think 16 should be in square brackets right?

OpenStudy (anonymous):

no think again

OpenStudy (anonymous):

might help to multiply it out into a polynomial and then set less than 0 and solve for x

OpenStudy (anonymous):

like 17 for instance is in your domain, but that would be negative

OpenStudy (anonymous):

im sorry dont multiply it out i mean just set to < 0

OpenStudy (anonymous):

so it would be (0,16) because all the number < 16 give me negative outputs

OpenStudy (anonymous):

try 25, that would be a positive number right?

OpenStudy (anonymous):

here do this

OpenStudy (anonymous):

|dw:1418214124410:dw|

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