Answer:
<h2>
not a function</h2>
Step-by-step explanation:
vertical line test: if it intersects at more than one point, it is not a function. If it intersects once, it is a function
bearing in mind that an explicit form is simply the sequence written as a function of some variables, so we simply simplify and add like-terms.

Answer:
classical music
Step-by-step explanation:
i suggest beetoven for classicla and for rock the rock