If the input-output relationship is given by y(t) = 2x(t) ^d⁄dx x(t). What kind of system it represents?
(a) Linear system
(b) Non linear system
(c) LTI system
(d) Linear but time-invariant system
The question was posed to me during an interview.
My doubt is from Properties of Systems topic in portion Signals and Systems Basics of Signals and Systems