Respuesta :
Answer:
I believe the answer would be a=4 (I could be wrong)
Step-by-step explanation:
If you plug 4 in for a, you have the equation 4+x^2
When plugging this into f(x), You get (5 - 4 + x^2)^3
5 - 4 is 1 so the final equation should be (1 - x^2)^3