is {{CMD_48}}{{CMD_49}}continuous{{CMD_50}}{{CMD_51}}not continuous{{CMD_52}}{{CMD_53}} at {{MATH_54}} because: {{CMD_55}} {{CMD_56}}{{MATH_57}}{{CMD_58}} {{CMD_59}}{{MATH_60}} does not exist{{CMD_61}} {{CMD_62}}{{MATH_63}} is not in the domain of {{MATH_64}}{{CMD_65}} {{CMD_66}}{{MATH_67}} exists but is not {{MATH_68}}{{CMD_69}} {{CMD_70}}