Prob. "2. (8 points) (a) Draw the block-diagram representation for the system characterized by the following input-output equation, where x(t) is the input and y(t) the output [4 pts]: y()=0.25 dy(1)

-5 -0.5 (y(1) dr + X(1) dt (b) Write the input-output equation for the following system block-diagram [4 pts]: 2(t) + K y(t)