Odpowiedź:
a) f(x) = x + 2 D = (-∞,-1> ∪ (1,2>
Z.W = (-∞, -1 + 2 > ∪ (1 +2 ,2 + 2>
Z.W = (-∞, 1 > ∪ (3 , 4 >
g(x ) = √x Z.W = < √1/4 ; √2 5/9 ) ∪ (√ 27/4; √64 )
Z.W = < 1/2; 5/3 ) ∪ (√ 27 : 2; 8)
Z.W = < 1/2; 5/3 ) ∪ ( 3/2√ 3; 8)
Szczegółowe wyjaśnienie:
