Question

Help with this math question, I am graphing them to see which one is correct, but please help so I can speedy out of this, please?

Answer 1

Last one: 3x²

Explanation:

Quadratics are functions with the power of 2 as the highest.

Option 1 is a Reciprocal function

Option 2 is a linear function

Option 3 is a exponential function

Option 4 is a quadratic function