Idon't understand how to find the derivative for this problem 1 and 2 Use the given graph to estimate the value of each derivative. Then sketch the graph of \( f^{\prime} \). a. \( f^{\prime}(-3) \) b. \( f^{\prime}(-2) \) c. \( f^{\prime}(-1) \) d. \( f^{\prime 2 answers