1. Show that the energy of x(t − t 0 ) is still Ex, the energy for x(t). That is, show that shifting a signal does not affect its energy. 2. Show that the energy of x(at) is  That is, time scaling a...

1. Show that the energy of x(t − t₀) is still Ex, the energy for x(t). That is, show that shifting a signal does not affect its energy.


2. Show that the energy of x(at) is
 That is, time scaling a signal by a reciprocally scales the original signal energy Ex by