Find intervals where this function is increasing, decreasing, or constant. f(x) = x + 3/ H 10 5 -5 1 2 3 4 5 6 7 -10 A. increasing from - to -3 and decreasing from -3 to + B. decreasing from -00 to 3 and decreasing from 3 to + C. increasing from -o t3 and decreasing from 3 to +co