Which one of the following functions are even or odd or neither?

a)

b)

c)

d)

e)

f)

Recall that a function is said to be *even* if and *odd* if .

**Solution**

a) Odd

b) Even

c) Odd

d) Even

e) Even

f) Neither

Please can you solve this example

X(t)=u(t-1)-u(t-3)

Express the signal using its even function xe(t) and Odd function xo(t)

Then sketch the original signal