# Calculus

posted by
**Gabby**
.

Given the function: f(x) = x^2 + 1 / x^2 - 9

a)find y and x intercepts

b) find the first derivative

c) find any critical values

d) find any local(relative) extrema

e) find second derivative

f) discuss the concavity

g) find any inflection points

Please show me how u got this!