1. What the derivatives of the function tan(6x-1) with respect to x 2. Find the derivative of the function f(x) = (3x + 4) with respect to x. 3. Find the second derivative of function f(x) = 4x² - 6x² + 7x + 1. 4. Find the real zeros of the function f(x)=x²-27. 5. The function /(x) = - 8x² + 6 [-3, 3]. Find on the indicated intervals the absolute maximum and minimum values.​