Question 1.
a) f(2)=-3*2+2=-6+2=-4
b) f(-1)=-3*(-1)+2=3+2=5
c) Il faut résoudre -3x+2=8
-3x=8-2
-3x=6
x=6/(-3)
x=-2
Question 2.
h(0)=0²-5=-5
h(-2)=(-2)²-5=4-5=-1
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Question 1.
a) f(2)=-3*2+2=-6+2=-4
b) f(-1)=-3*(-1)+2=3+2=5
c) Il faut résoudre -3x+2=8
-3x=8-2
-3x=6
x=6/(-3)
x=-2
Question 2.
h(0)=0²-5=-5
h(-2)=(-2)²-5=4-5=-1