Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Choose the true statement (there may be more than one) : The condition that must meet the real-valued function [f] so that [d left parenthesis x comma y right parenthesis equals open vertical bar f left parenthesis x right parenthesis minus f left parenthesis y right parenthesis close vertical bar] is a distance involve [f] being increasing; Given the collection of intervals [Error converting from MathML to accessible text.], it can be stated that [union for n element of natural numbers of A subscript n equals left parenthesis negative infinity comma 0 right square bracket]; Given the collection of intervals [Error converting from MathML to accessible text.], it can be stated that [Error converting from MathML to accessible text.]; Given the collection of intervals [Error converting from MathML to accessible text.], it can be stated that [Error converting from MathML to accessible text.]; Given the collection of intervals [Error converting from MathML to accessible text.], it can be stated that [Error converting from MathML to accessible text.]
Right answer summary: Given the collection of intervals [Error converting from MathML to accessible text.], it can be stated that [Error converting from MathML to accessible text.]
Question state: todo