F(x) =|x| +4 evaluate the function
we can try to evaluate the function in some points like x = -2, -1, 0, 1, 2F(-2) =|-2| +4 = 2 + 4 = 6F(-1) =|-1| +4 = 1 + 4 = 5F(0) =|0| +4 = 0 + 4 = 4F(1) =|1| +4 = 1 + 4 = 5F(2) =|2| +4 = 2 + 4 = 6