Answer:
C
Step-by-step explanation:

Hope this helps!
-y+4x>-13
-y>-13-4x
y>13+4x
y>4x+13
The answer would be 4 over 7
this is because there were 8 cards in total to begin with but she removes one leaving only 7; that would result in the bottom number because it is the total
then the top number would be the amount of rose cards left so in this case 4
https://www.wolframalpha.com/
For this case we have the following function:

By definition, the average rate of change is given by:

We evaluate the function for the given values:
For x = 7:

For x = 14:

Then, replacing values we have:
Answer:
the average rate of change from x = 7 to x = 14 is:
a. 23.22