ANSWER
An exponential growth function.
EXPLANATION
The given function is

This function is of the form,

Since k is positive , the function will grow exponentially and fall asymptote to the negative x-axis.
As x-values becomes bigger and bigger positively, the graph grows exponentially.
Answer:
3x^2
Step-by-step explanation:
The answer would be A. Make sure you also use BEDMAAS, and take care of the brackets first