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Mathematics 15 Online
OpenStudy (anonymous):

given f(x)=x^2-5x-6 and g(x)=x-8 find the following (f-g)(5)

OpenStudy (saifoo.khan):

x^2 -6x + 2

OpenStudy (saifoo.khan):

now plug 5 instead of 'x'

OpenStudy (anonymous):

-3?

OpenStudy (saifoo.khan):

18

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