Answer:
Im going to say f-1 (x)= -2x+3
Hoped this helped, have a nice day!
Prime Factorzation is finding the PRIME numbers that, multipied together, equal the number.
Finding factors is finding all the numbers that can be multiplyed in various combos to get the number.
If 3 squared is 9 then 9 times -2 is -18 plus 7 is -11