1. Use the limit definition of the derivative I'(x) = lim /(x+h)-f(x) h -0 h to find the derivative at x for f(x) =2x +3. 2. Find the equation of the line tangent to the graph of f(x) = x3 - x +1 at x = 3. 3. Given f(x) =2x2 -5x + 3, find f'(-4). 4. Find y' and y" for y =5x2 +9x 3 5. Find the derivative of (6x2 + 7x)(tanx) 3x -1 6. Differentiate f(x) = 2x-1 -5 7. Find y' for y = 12x5 - 3x2 +5 8. Given f(x) = cos'(7x -1), find f '(x) 9. Find dy/dx and for the equation 7+2xy -4x =8y x'+3x x