Answer:
A. I
Step-by-step explanation:
first 10 symbols are digits from 0 to 9
then next 9 symbols are alphabets from A to I
so the largest symbol is I
19 base number system has 19 symbols:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, G, H, I
The largest symbol is I
can u get a pic of the diagram
a
inverse ----> y = x
x = 2y - 7
2y = x + 7
y = (x+7)/2
x / 3 = -8