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## Homework Statement

y = 1/ (3+x^2))

## Homework Equations

y int; y =1/3 (((0,1/3)

HA:

lim x- (1/x^2) / (3/x^2+ x^2+x^2))

y =0

VA: none

HA

x_ infine x__ + infinite { next two lines are under it, for x infinite and x + infinite)

TV -1000 1000

y= 0 0

above above

f '(x) =[ (3+x^2)(0) - 1(2x) ] /[ ((3+x^2)^2 ]

= 2x / (3+x^2)^2

fx = 0 at x = 0

what else am i missing?? to draw a complete graph : teacher said alot was missing and try again ,but i dont see anything missing!!!!