Bonjour c’est pour l’exercice 37 en maths merci beaucoup :)

Bonjour

a.

f (x) = x - 5

f (- 3) = - 3 - 5

f (- 3) = - 8

b.

f (x) = x - 5 = 7

x - 5 = 7

x = 7 + 5

x = 12

c.

f (x) = x - 5

f (7) = 7 - 5

f (7) = 2

d.

f (x) = x - 5 = 4

x - 5 = 4

x = 4 + 5

x = 9.