2 c. (2) = + 3 = 2 2−4 2 (6) = + 3 = 4 6−4 m average = ( ) − ( ) − 2−4 = 2−6 1 = 2 −2 1 d. (−2) = 2 ( ) − 4 =14 3 1 −2 (−2) = 2 ( ) − 4 =14 3 0 1 (0) = 2 ( ) − 4 =−2 3 m average = ( ) − ( ) − = 14−(−2) −2−0 = −8