Which statement describes the end behavior of the function f(x)= 1/7 |x-4|+3 ？
A. As xapproaches negative infinity, f(x) approaches negative infinity.
B. As x approaches negative infinity, f(x) approaches positive infinity.
C. As x approaches positive infinity, f(x) approaches negative infinity.
D. As x approaches positive infinity, f(x) is no longer continuous.