MathematicsMedium110×since 2002Q3820If g(x) = x² + x - 1 and (goƒ) (x) = 4x² - 10x + 5, then ƒ(54)\left( {{5 \over 4}} \right)(45) is equal to:A12{1 \over 2}21B32{3 \over 2}23C-12{1 \over 2}21D-32{3 \over 2}23Check answerSkip