Answer:
D
Step-by-step explanation:
the domain of this is x>=7
the range is x<=1
so 6 is in neither
Try and get the variable by its self by -81 from both sides then divide it by 7 and get ur answer.
Answer:
.9b+2
Step-by-step explanation:
You first add 3.8b and -2.9b which equals .9b
Then you add -7 and 9 which equals 2
Hope this helped!