L

'

Make

careful

sketches

of

smooth

curves

having

the

fo[,o1in-g

properties

r )

4 and

x

S

0,

f

'(xP0

for

0<

x

<

4

2) (0)=

-2,

f(2)=0,

f(4)1,f

'(x)=o

forr

3)

f(oF

-3,

(4){(-2;-{iQ-{{(4):0,

f

'(-3H',(0){'(3F0,

f

'(*)<0

for

-3

<

x

<0

and

x}3'

f

'(xPO foir<-3

md

0

<x

<3