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RoDRIGUES DE oLlvElRA

mando Limites Grafi camente

l-ó, utilize os gráficos para estimar os limites e os valores das f,rnções ou explique por que os limites nâo existem.

Nos exercÍcios
1-

(a) lim

(a)

];1-

f(:r)

(b) liry

ÍE)

(c)

!g Í(x)

(d) /(3)

,U flr)

(d) s(-4)

p(s)

(b)

,Iq.

p(s) (c)

li+ rt t

(d) P(-2)

2.

Í

(a)

(a)

Jiq g(t)

(b)

(c)
,lim. s(,)

Í(,,)

(b)

lgl -f(à) (c) [g /tl,t

(a) à_-ôli4s Nos Exercícios de

(d] /(0)

(s) lim
F2

I ô 22. Íaça um esboça do gníftco e ache o

limite indiedo, se exbtir:

se

ndo eristir, indlque o razÃo disto.

í 2 sex<.1
J-, sc x : I
[-3..
l<*
(a) lim .í(xI (b) lim /(x); r-lr-t I# r(.r)

3-t

/(x)

<O
2. ftxt- [-2 sex
[ 2 seo <x
(a) lim -f(x): (b) lim f(x); (c) lirn /(r) ser <-4
3. fír):{r+a
[4-r se -4<.t
(a) lim /(r[ (b) Iim ,(r); (c) lirn /(r)
.-_4.
Í--+1-.4

4-s(s):fi:: ;'_;_:

(a) lim s("I (b) lirn ds), {c} lim t--2. .-_2§-_2 x <2 se2<x (a) lim .F(x[ (b] lim .F(x); (c) lim

5. F(-): Íx'

er(s)

se

[8-2x

lÊ(x)

c{x) (b) r7lim flr)

(c) lim
Ha

(d) F(0)

G(.r) (d) C(2)

I sex<3
[lO-x sc3 dr
(a) lim r{x} (b) liln ldx); (c) lim
(2r+3 sêr< I

6- Irír) -[2x+

t. Í(x):

(c) lim

(b) lir4 F(.r) (c)
IS rt l

7.

á(x)

seÍ: I síi:lz Lz-2. scl<r

(a) lim
.-l+

c(r);

(b) rim g(r}
._r_

(c)

lirn s(r)

z-+,

í3-+tz *t<.-2
& g(t):{O r*t: -2
LIr - r, s€ -z < Í
(a) lim S(rX (b) lint e(t! (c) lim a{r) t-] 2+
,-_2
a4_2(x2-4 scx<2 v- f(x): la se x : 2
[c-.,
se2<x tai lim í(xi: (b) tim íxI (c) lim /(x)
[2x+1 §ex<t r(L/(x).'-{a s€x:I
[*]+z scl<x
(a) lira ",'(x[ (bi rim /(x] (c] lim.JÍ-{x) a-l' r-1 x{rI I

Bol,&,TRA,BALHOI