I is the letter c I took that quiz A X B Y C Z
Answer: left 9 and up 6
Step-by-step explanation:
just if it’s in the bars it’s left if + and on the outside its up if +
Answer:

Step-by-step explanation:
Given the exponential decay function 
When
then

so the initial amount is 
The exponential decay function
has the decay factor 
In your case, the eexponential decay factor is 