Ailene24viz
Answered

Is the domain of f(x)=(x+4)(x-4)/x-4 equal to the domain of g(x)=x+4?Justify the answer please.

Sagot :

Cheahjimmyviz
f(x) =    (x+4)(x-4)/(x-4)
       =  (x+4)          / cancelled  x-4
so
     f(x) =(x+4)    =      g(x) = (x+4)
thus        f(x) = g(x),  the domains are equal