III gimnazjum

Matematyka wokół nas 3

a)&nbsp; (5;+∞) <img src="https://prod.odrabiamy-assets.pl/uploads/content_image/image/22873/%2BQW4UBBBOeQi1JaiF4KBpw%3D%3D_2d5bdc1997da9b4104b06c9c32c53dc5a2c8e5b39a3d51d2ea35febae8d94c1f.png" width="464" height="74"> b)&nbsp; (−∞;4&gt;

a)&nbsp; −4≤x&lt;0 b)&nbsp; −3≤x≤3

a)&nbsp; (a,b&gt;,  gdzie  a=−32,b=40 a=−9,b=1

a)&nbsp; (4;8)∩(5;8)=(5;8) <img src="https://prod.odrabiamy-assets.pl/uploads/content_image/image/22890/8optBxGHjGfBYtzqxpI4xw%3D%3D_6ee9d08b388a4073548ed028f97b17228bf0e9a0cb241d90c4dbbac0c6cd98b5.png" width="464" height="74"> b)&nbsp; ∩(−4;3&gt;=(−4,3&gt;

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