Please follow directions and solve 5). and 6). Thank you!

5).

Sketch a possible graph of the derivative of the function in Figure 20(8), omitting points where the derivative is not dened. Use the limit denition of the derivative to nd the derivative of f (3:) : i . Verify your answer with the power rule and nd the equation of the tangent line to the graph of y = f (x)at the point :r: = 4