Question

Ex.1. ..................​

Answer 1

Răspuns:

0

Explicație pas cu pas:

• f(x)=3x-9=> f(-4)= 3×(-4)-9= -12-9= -21
• f(x)=3x-9=> f(-3)= 3×(-3)-9=-9-9=-18
• f(x)=3x-9=> f(-2)= 3×(-2)-9= -6-9= -15
• f(x)=3x-9=> f(-1)= 3×(-1)-9= -3-9= -12
• f(x)=3x-9=> f(0)= 3×0-9= 0-9=-9
• f(x)=3x-9=> f(1)= 3×1-9= 3-9= -6
• f(x)=3x-9=> f(2)= 3×2-9= 6-9= -3
• f(x)=3x-9=> f(3)= 3×3-9= 9-9=0
• f(x)=3x-9=> f(4)= 3×4-9= 12-9= 3 ⇒

f(-4)×f(-3)×f(-2)×f(-1)×f(0)×f(1)×f(2)×f(3)×f(4)=

=(-21)×(-18)×(-15)×(-12)×(-9)×(-6)×(-3)×0×3=0