Bonsoir,
f(x)= - 3x+7
Calculer:
a. f(8)= -3(8)+7= -24+7= -17
b. f(0)= - 3(0)+7= 0+7= 7
c. f(x)= 2
- 3x+7= 2
-3x= 2-7
x= -5/-3
x= 5/3
d. f(x)= 10
- 3x+7= 10
-3x= 10-7
x= -3/3
x= -1
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Bonsoir,
f(x)= - 3x+7
Calculer:
a. f(8)= -3(8)+7= -24+7= -17
b. f(0)= - 3(0)+7= 0+7= 7
c. f(x)= 2
- 3x+7= 2
-3x= 2-7
x= -5/-3
x= 5/3
d. f(x)= 10
- 3x+7= 10
-3x= 10-7
x= -3/3
x= -1