dacool1 dacool1

30-01-2017
Mathematics

Answered

find the domain of the function (f/g)(x) given f (x)=x^2-4x-5 and g(x)=x^2-25

Verified Answer :

p6blacka p6blacka

06-02-2017

f + g)(x) = f(x) + g(x); (f - g)(x) = f(x) - g(x): (f · g)(x) = f(x) · g(x) ..., let f(x) = 5x+2 and g(x) = x2-1. 4. f(4)=5(4)+2=22 and g(4)=42-1=15 ... (fog)(x) = f [ g(x) ] = f [ 4x2 ] = sqrt( 4.2 ) = 2 | x |; (gof)(x) = g [f(x) ] = g [ s

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