Graph the function. Find the domain and range of the function. $\displaystyle f(x) = -3(3)^{x}$ What is the domain and range of this function?
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Originally Posted by mt_lapin Graph the function. Find the domain and range of the function. $\displaystyle f(x) = -3(3)^{x}$ What is the domain and range of this function? Domain... x=>1 exists ... x=<-1 exists asymptotic behavious -1<x<1 .. becomes a root ... exists So domain = R Range... you cant get a positive value as (3)^x > 0 ... note the -3 so reflection in the x.... So range = (-inf,0) or negative R
The domain is the R and the range is the R_-{0}, since f(x)<0 for every x in R.
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