Relate the graph of the function to the graph of its derivative.{{CMD_1}} {{CMD_2}}Determine whether a piecewise function is differentiable.{{CMD_3}} {{CMD_4}}Understand the derivative as a function related to the original definition of a function{{CMD_5}} The graph of a function {{MATH_6}} is given below. Use the graph of {{MATH_7}} to answer the questions. {{CMD_8}} {{ENV_9}} {{CMD_10}} Find the value or say that it does not exist. In the latter case, please write `DNE.' {{CMD_11}} {{CMD_12}} {{MATH_13}} {{CMD_14}} {{MATH_15}} {{CMD_16}} {{MATH_17}} {{CMD_18}} {{MATH_19}} {{CMD_20}} {{CMD_21}} {{CMD_22}}