а) D(Y) = D(3x) = 3 D(x) = 3 3 = 9б) D(Y) = D(x+5) = D(x) = 3в) D(Y) = D(2x-1) = 2 D(x) = 2 3 = 6г) D(Y) = D(5-3x) = -3 D(x) = -3 3 = -9д) D(Y) = D(-5x-7) = -5 D(x) = -5 3 = -15
а) D(Y) = D(3x) = 3 D(x) = 3 3 = 9
б) D(Y) = D(x+5) = D(x) = 3
в) D(Y) = D(2x-1) = 2 D(x) = 2 3 = 6
г) D(Y) = D(5-3x) = -3 D(x) = -3 3 = -9
д) D(Y) = D(-5x-7) = -5 D(x) = -5 3 = -15