Instruction: Do the following activities.

1. Find the equation of the tangent line to the curve y = 4x - 3x- at the point (2, -4) 2. Find the slope of the tangent line to the curve y = x - x at point (1, 0) 3. Find the derivative of f (x) = 2x+1 x+3 4. Find the derivative of f (x) = 2x2 + x 5. Find the derivative of f (x) = 4+ 8x - 5x2