Final answer:
To determine whether a signal is a power signal or an energy signal, calculate its power or energy by integrating its squared amplitude over time.
Step-by-step explanation:
The first step to determine whether a signal is a power signal or an energy signal is to calculate the power or energy of the signal. For signal t2 to be considered a power signal, it must have finite power, which means that the integral of its squared amplitude over time must be finite. To determine this, calculate the power by integrating |t2|^2 over time. If the result is a finite value, then t2 is a power signal.
For signal |t| to be considered an energy signal, it must have finite energy, which means that the integral of its squared amplitude over time must be finite. To determine this, calculate the energy by integrating |t|^2 over time. If the result is a finite value, then |t| is an energy signal.