The linearization of f(x)=x3f(x) = x^3f(x)=x3 at a=1a = 1a=1 isAL(x)=3xL(x) = 3xL(x)=3xBL(x)=1L(x) = 1L(x)=1CL(x)=x3L(x) = x^3L(x)=x3DL(x)=1+3(x−1)L(x) = 1 + 3(x - 1)L(x)=1+3(x−1)check_circleExplanationf(1)=1f(1) = 1f(1)=1, f′(1)=3f'(1) = 3f′(1)=3. L(x)=1+3(x−1)L(x) = 1 + 3(x-1)L(x)=1+3(x−1).