Laicajanea36go Laicajanea36go Math Answered The quadratic function of f(x)=x²+2x-1 is expressed in standard form asA. f(x)=(x+1)²+1B. f(x)=(x+1)²+2C. f(x)=(x+1)²-2D. f(x)=(x+1)²-1