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Mathematics 15 Online
OpenStudy (anonymous):

find the domain of the composite function f o g

OpenStudy (anonymous):

\[f(x) = \sqrt{x}; g(x) = 5x+25\]

OpenStudy (dumbcow):

f(g(x)) = sqrt(5x+25) you cant take the sqrt of neg number so solve 5x + 25 < 0 =>x < -5 so domain of function is x>= -5

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