Answer:

Step-by-step explanation:
The exponential function that decrease by 15% every time x increases by 1 is given by:

We simplify the parenthesis to get:

Therefore the decrease by 15% every time x increases by 1 is

The second choice is correct.
Answer:
Step-by-step explanation:
|E| + |F|
|1| + |-10|=11
Answer=11
Answer: 1700.00
Step-by-step explanation: Maybe, maybe not.
Answer:
you should tip $2.34
Step-by-step explanation:
For 10% just move the decimal one place to the left and round
Hope this helps! :)
Answer:
$9
Step-by-step explanation:
The breakfast before tip costs x.
The tip is 20% of x.
The tip is $1.80.
20% × x = 1.80
0.2x = 1.8
x = 1.8/0.2
x = 9
Answer: $9