A Radioactive Isotope Decays at a Continuous Rate of Approximately

question 4

Multiple Choice

A radioactive isotope decays at a continuous rate of approximately 15% per day. If A is the amount of the isotope and t is time in days, what is the differential equation for this situation and its general solution?

• A) ;
• B) ;
• C) ;
• D) ;

---

Definitions:

Car Accident

A collision involving one or more vehicles resulting in damage, injury, or fatalities.

Small Talk

Casual conversation about unimportant or uncontroversial matters, often used in social settings.

Schedule

A plan for carrying out a process or procedure, giving lists of intended events and times.

Direct Eye Contact

The act of looking directly into another person’s eyes, which can convey honesty, confidence, or aggression, depending on the context.