2 D. 3. Which of the following graphs represent quadratic function?

Answer:
B
Step-by-step explanation:
i hope it helps you keep it up
Answer:
Letter B
Step-by-step explanation:
A quadratic function, a quadratic polynomial, a polynomial of degree 2, or simply a quadratic, is a polynomial function with one or more variables in which the highest-degree term is of the second degree.