Answer:
The correct answer is Option 2. 48
Step-by-step explanation:
The given equation is 3x² ---(1)
When we substitute the value of x we get the value of the equation.
Here it is given that,
x = 4
Substitute this value in the equation (1) we get,
3x² = 3*(4)² = 3*16 = 48
Therefore the correct answer is Option 2. 48