Question

for f(x) = x squared divided by x squared + 3. what interval is increasing, decreasing, local max an local min.concavity upward, concave downward and inflection points? can someone please show me how to work these for f(x) = x squared divided by x squared + 3. what interval is increasing, decreasing, local max an local min.concavity upward, concave downward and inflection points? can someone please show me how to work these @Mathematics