Answer:
a) 1
b) 2
c) 2
Step-by-step explanation:
a) 
means find the output for 
when 
.
b) 
means find the output for 
when 
c) If 
and 
are truly inverses then 
and 
as long as 
satisfies the domains.
So we should be able to conclude that 
with no work.
However, I will also show work.
since 
from part a.
since 
from part b.
Answer:
4
Step-by-step explanation:
2 x 4 = 8
4 x 4 = 16
So SF = 4 (enlargement)
The nearest ten thousand of 63849 would be 60000
The answer is 18 . Because 36 divided by 2 is 18
