[tex]\huge{Answer}[/tex]

[tex]===================================[/tex]

roster method

- In the roster form, the elements (or members) of a set are listed in a row inside the curly brackets.

D={x|x 10 < x < 100, where is a multiple of nine}

{ x|x 10 < x < 100 }

{ 10, 19, 28, 37, 46, 55, 64, 73, 82, 91, 100 }

Note : its a multiple of nine because the elements listed in a row is added by nine

==================================

Hope ir helps

#reliable answer

Tama yung answer nung isa sa taas, genius eh

sana makatulong,