3. Logarithms and Logarithmic Functions
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Begin by finding f(- x).
g(x)=sqrt(- x)+3
To do so, we should first find f(- x) by substituting - x for x into f. f(x)=sqrt(x) ⇓ f( - x)=sqrt(- x) Finally, we will substitute sqrt(- x) for f(- x) into g(x)=f(- x)+3. g(x)=f(- x)+3 ⇓ g(x)= sqrt(- x)+3