Question 28: [Basic] Let z₁(t) = e-t-2, 2(t) = sin(t + 37/4), and x3[n] = e-n-¹1.

Find the total energy of ri(t), ₂(t), and 73[n].

Question 29: [Basic] Following the previous question, find the overall average power of

Ti(t), ₂(t), and x3[n].