xϕ=2x2+(2x)2+2x,f(x)=3x2−67x−f((x−1))此外f(0)=−2;求：(0.5ϕ+∣−(f(4))∣)13ϕ+f(12) x_\phi = 2x^2+(2x)^2+2x,\\ f(x)=3x^2-67x-f((x-1))\\ 此外f(0)=-2;\\ 求：(0.5_\phi+|-(f(4))|)^{\frac{1}{3}_\phi} +f(12)xϕ=2x2+(2x)2+2x,f(x)=3x2−67x−f((x−1))此外f(0)=−2;求：(0.5ϕ+∣−(f(4))∣)31ϕ+f(12)
