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g(x)=x^(2)+x-1" and "(gof)(x)=4x^(2)-10x...

g(x)=x^(2)+x-1" and "(gof)(x)=4x^(2)-10x+5," then "f((5)/(4))" is equal to "

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If g(x)=x^(2)+x-1 and g(f(x))=4x^(2)-10x+5 then find f((5)/(4))

If g(x)=x^(2)+x+x-1 and g(f(x))=4x^(2)-10x+5 then find f((5)/(4))

If g (x) = x ^(2) -1 and gof (x) = x ^(2) + 4x + 3, then f ((1)/(2)) is equal (f(x) gt 0 AA x in R)

If g (x) = x ^(2) -1 and gof (x) = x ^(2) + 4x + 3, then f ((1)/(2)) is equal (f(x) gt 0 AA x in R)

If g(x)=x^(2)+x-2 and (1)/(2)(gof)(x)=2x^(2)-5x+2, then f^(-1)(x) is equal

If g(x)=x^2-1 and gof (x)= x^2+4x+3 , then f(1/2) is equal (f (x) gt 0 AA x in R) :

If g(x)=x^(2)+x-2 and 1/2 gof (x)=2x^(2)-5x+2 , then which is f(x)