9 - 2(7 - 8)
9 - 2(-1)
9 - (-2)
11







The first case occurs in

for

and

. Extending the domain to account for all real

, we have this happening for

and

, where

.
The second case occurs in

when

, and extending to all reals we have

for

, i.e. any even multiple of

.
0.55 is equal to 55/100, and by dividing the numerator and denominator by 5, we get 11/20. Hope this helps!
The answer would be 44.7 not 44.5
Answer:b
Step-by-step explanation:
3.5*5*.5=8.75