Пусть () = − 4 и () = 2 + 1. Найдите: а) (()) = (2 + 1) − 4 = 2 − 3
б) (()) = 2( − 4) + 1 = 2 − 8 + 1 = 2 − 7
в) (())
2 = (2 + 1)
2 − 4 = 4
2 + 4 + 1 − 4 = 4
2 + 4 − 3
г) – ((1)) = −(−3) = −(2 ∙ (−3) + 1) = 5
(1) = 1 − 4 = −3
д) (−2(1)) = (−2 ∙ 3) = (−6) = −6 − 4 = −10
(1) = 2 ∙ 1 + 1 = 3
