One of these graphs is of a cubic function. Which one is it?

Answer:
D
Step-by-step explanation:
D is the correct answer. It is a cubic function
Answer:
D
Step-by-step explanation:
It is because it is in form f(x) =ax³+cx+d.
Where the coefficients are a, b, c, and d.
The variable 'x' takes real values, and a ≠ 0 in other words.