find the domain and rage of this funtion.?

2 ⤊

find the domain and rage of this funtion. The function that assigns to each postiive integer its largest decimal digit.

2007-10-07 10:18:13 · 2 answers · asked by joeish 1 in Science & Mathematics ➔ Mathematics

The domain is all positive numbers
The range is 1<= y<=9 where y is an integer
0 is not included in the positive numbers

2007-10-07 10:26:18 · answer #1 · answered by ironduke8159 7 · 1⤊ 0⤋

An integer has no decimal digit
If you mean the
largest digit, the domain is all positive integers and range the numbers 1,2,3,4,5,6,7,8,9

2007-10-07 17:28:46 · answer #2 · answered by santmann2002 7 · 1⤊ 0⤋