Answer:
I think true
Step-by-step explanation:
i am not sure but f(1)=5 hereA=1 andB=5 so i belif this is true function
long way
12 x 11 x 10 x 9 x 8 x 7 x6 x5 x4 x3x2/ 10x9x8x7x6x5x4x3x2x
but you can shorten that by crossing out identical numbers so you get 12 x 11
12 x 11 = 132 combinations
It would be written as 500,000
