Find the following limits (hint: use the quotient rule for logarithms): lim [In(x + 3) - In(x - 1)] 8448 a. b. C. lim [In(6x + 5)- In(2x+7)] x+00 lim [In(5x2 + 6x-2)-In(3x + 4)] X148 Use logarithmic differentiation to find the derivatives of the following functions. Do not simplify the answer. a. f(x) = (3x-7)(2x+5)* b. f(x) = c. f(x) = d. f(x)= (9x-2)5 (3x+8)7 (3x-2)*(2x-7) (5x+8)6 5x-3x+7 6x + 4x-2 (8x-3)*