Exercice 8 svp aider moi merci !

g(5)= 5*5 +1 =26
b) g(0)=0*5 +1 = 1
g(-2.1) = (-2,1)*5+1 = -9,5
g(7)=7*5+1= 36
c) 21:5-1= 3,2
-14:5-1= 1,8
0:5-1=-1