lilahvei11122002 lilahvei11122002 08-02-2019 Mathematics contestada PLEASE HELP !!Given f(x)=2x^2-3 and g(x)=x+4what is (fg)(x)A. 2x^3-12B.-2z^2+x+7C. 2x^2+x+1D. 2x^3+8x^2-3x-12