The series ∑n=0∞(x−4)n\sum_{n=0}^{\infty} (x-4)^n∑n=0∞(x−4)n is a power series centered at which value?
x=4x = 4x=4
x=0x = 0x=0
x=−4x = -4x=−4
x=1x = 1x=1