graph the function. 52 f(x) = √² +7 10 101 8 8 6 4 2 -15 -10 -5 0 5 10 15 -15 -10 -5 5 10 15 -2 -6 -8 -8 o -10 -10 10 10 8 8 6 2 -10 -5 5 10 15 – 15 -10 -5 5 10 15 4 – -6 -10 -10