a,t都是底数,a>0 and a≠1t>0 and t≠1t=a^x, x≠0,(1)loga(t/a^3)=logt(y/a^3)loga(a^x /a^3)=log a^x (y/a^3)x-3= log a^x (y)-3/xloga(y)=x^2-3x+3y=a^(x^2-3x+3) a>0 and a≠1,x≠0.(2)f(x)= a^(x^2-3x+3) a>0 a...