Question

Find the value of d(t-34)*x(t+56), d(t) being the delta function.

(a) x(t + 56)

(b) x(t + 32)

(c) x(t + 22)

(d) x(t – 22)

The question was posed to me during an interview for a job.

I'm obligated to ask this question of Continuous Time Convolution topic in portion Time-Domain Analysis of CT Systems of Signals and Systems

Answer 1

Correct choice is (c) x(t + 22)

The explanation: Convolution of a function with a delta function shifts accordingly.