Answer:
Choice B) No.
Step-by-step explanation:
When she starts , she does a sit-up every 222 seconds.
But as she gets tired, each sit-up takes longer and longer to do.
It means, each sit-up takes more time than she did at beginning.
So, it is NOT proportional to the time.
If it is proportional, she should take constant number of sit-ups even she get tired.
The question is asking us to find the sum. To do this, let's first write the original equation and then take it from there.

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Use distributive property:
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Combine Like Terms:

Therefore, the answer to your question is
-4x² + 3x + 4. Hope this helps and have a fantastic day!
Answer:
y= -2x + 7
Step-by-step explanation: