• 2022-06-11
    设(1)函数[tex=2.857x1.286]tj1rvgP4AHIdbrLux0kAEQ==[/tex]于[tex=6.0x1.286]fjJAzWZtJs19NgfzEJQ8oL4NXi+f4XlFwMPX3bGqJus=[/tex]内是连续的;(2)函数[tex=4.714x1.286]ThLYD92R28O6yq6sFFuFWkXjQHtiS5LU7bWHMT6yKG0=[/tex],[tex=4.714x1.286]nSV7Gcoj3CzZ1VCsy6UUFQppgHv9jr2uXEm8y24l+2o=[/tex]在[tex=7.143x1.429]vf4022xQPiC81brW7fPmkjWNPSjXnlRke16gib94MquNc/GV/wUCZy2r2eMwMa1iE8R/Ssq4xWwdnDWyE68h4IoYdOLTZs9OxAktTPX6g18=[/tex]内是连续的,并分别有属于[tex=2.571x1.357]sjdPs/hhXAmvACj9h5RVRw==[/tex]与[tex=2.429x1.357]MVn9li7GTqrg8qWRvPuw7w==[/tex]的值。证明:函数[tex=11.286x1.357]axgAr8EToEBUk5ZOonVK3d3DgmenIZgMlpZeK4uHfzRt3RSc//u818heb2tHZ5eS[/tex]在[tex=7.143x1.429]vf4022xQPiC81brW7fPmkjWNPSjXnlRke16gib94MquNc/GV/wUCZy2r2eMwMa1iE8R/Ssq4xWwdnDWyE68h4IoYdOLTZs9OxAktTPX6g18=[/tex]内连续。