Answer:
the answers is
1.02022....
0.3333
0.123123123.......
Step-by-step explanation:
rational numbers include
* whole numbers
* natural numbers
* repeating decimal
d(x) = { (x,y): y = sqrt(x) and y >=0 }
since sqrt function requires x to be >=0 so
<u>x >= 0</u>
49y
7 x 7 x y= 49 x y = 49y
