1) Company A and C
2)Your answer is f(t) = 180(0.5)^t This is because the number is cut in half for every hour.
3)C 0 ≤ x ≤ 50 is the right answer because the starting time 9:05 is considered as zero and the 9:55 is the ending point which is considered as 50.Or simply the difference of both the times is the domain of the function.
It will take 250 seconds for it to reach the bottom. To find this I did 17.5 divided by .07.
Answer:
Step-by-step explanation:
the scooter is 89.75
sales tax= 89.75*0.065=5.83
total cost=89.75+5.83=95.58
Answer:
No I didn't But thank you for asking
Answer:
the answer is $290
Step-by-step explanation:
You divide 638 by 88 to find how much he wins an hour. Which you will get 7.25. Then you will do 7.25x40 which will give you 290