This is so confusing I just need to find out which linear function it is

Which compound inequality could be represented by the graph?

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12