if f(x)= -x^2-1 and g(x)=x+5 then what is g( f(x) )

Answer 1

if f(x)= -x^2-1 and g(x)=x+5 then what is g( f(x) )

By definition g(f(x) is the output of g when f(x) is the input variable.

If g(x) = x + 5, then g (f(x)) = (-x² -1) + 5 = -x² + 4.