C) Defibrillators.
Most anyone who went to medical school in a hospital can use these.
He could make sure he exercises regularly to keep the blood flow pumping to his heart, he can eat healthy so that he does not have a lot of fat build up in his arteries and he can also stay away from smoking to keep his body functioning properly.
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Answer:
So you have to solve for the point when y=0
Hence: C
