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Sagot :

HATISHAM

Si x= -1

Alors

f(x)=1.5x+1

=1.5×(-1)+1

= -1.5+1

= -0.5

Si x=0

f(x)=1.5x+1

=1.5×0+1

=0+1

=1

Si x=2

f(x)=1.5x+1

=1.5×2+1

=3+1

=4

Si x= -2

g(x)= -1/2 x+2

= -1/2×(-2)+2

= 1+2

=3

Si x=0

g(x)= -1/2 x+2

= -1/2×0+2

=0+2

=2

Si x=4

g(x)= -1/2 x+2

= -1/2×4+2

= -2+2

=0

Si x= -1

h(x)=3

Si x=1/2

h(x)=3

Si x=3

h(x)=3

Et voilà! ;)

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