TIFR ECE 2017 | Question: 1

Question

Consider a system which in response to input $x(t)$ outputs
\[
y(t)=2 x(t-2)+x(2 t-1)+1 .
\]
Which of the following describes the system?

• A. linear, time-invariant, causal
• B. linear, time-invariant, non-causal
• C. non-linear, time-invariant, causal
• D. non-linear, time-invariant, non-causal
• E. non-linear, time-variant