What range of values does Hexadecimal use?

What range of values does Hexadecimal use?

• 0-9 and A-F
• 1-17
• 0-16
• 1-10 and A-E 

 

EXPLANATION

In mathematics and computing, hexadecimal (also base 16, or hex) is a positional numeral system with a radix, or base, of 16. It uses sixteen distinct symbols, most often the symbols 0–9 to represent values zero to nine, and A, B, C, D, E, F(or alternatively a, b, c, d, e, f) to represent values ten to fifteen.

SOURCE

https://en.wikipedia.org/wiki/Hexadecimal