Answer:
g(x) = 48x^2 + 4
Step-by-step explanation:
If f(x) = 12x^2 + 4 then g(x) would be the main x^2 term of the function times 4. This becomes g(x) = 48x^2 + 4. This will keep the vertex the same but stretch the function and make it skinnier in looks.
