Answer:
Options A and E.
Explanation:
Trinomial function is a function which has three terms for example
ax² + bx + c = 0
In the given options we find
Option A.
It has three terms so given expression is a trinomial.
Option E.
This expression has three terms so it's a trinomial.
Rest all options are not the examples of trinomial.
Options A and E are the correct options.