Functions can either be discrete or continuous.
The daily concrete is a discrete model
From the question, we have:
[tex]\mathbf{Daily\ concrete = 300ft}[/tex]
When a function only represents whole number, then such function is discrete
The daily concrete can only take whole number (i.e. 300, 600, 900, etc)
Since the daily concrete cannot take decimal value, then the function is a discrete model.
Read more about discrete and continuous models at:
https://brainly.com/question/11395972
