-3
Explanation:
If f(x)=f(-1) then you just fill in -1 where x is.
2*-1-1
-2-1
-3
Started at first floor
went up 18 floors, so now we are at 1+18 or 19th floor
then cam down 11 floors, so now we are at 19-11 or 8th floor
then went up 16, so now at 16+8 or 24th floor
it stopped at 24th floor
Answer:
i really dont know im in 7th grade im so sorry
Step-by-step explanation:
Hello :
4√2-7√2= (4-7)√2 = -3√2
