Which of the following equations belongs to the quadratic function family?(1 point) Responses y=7(x+3.5)12 y equals 7 left parenthesis x plus 3.5 right parenthesis superscript Start Fraction 1 over 2 End Fraction baseline y=1.2(2)x−8 y equals 1.2 left parenthesis 2 right parenthesis superscript x baseline minus 8 y=7.2x−15 y equals 7.2 x minus 15 y=2(x+1.5)2−55
