F(x) = 9x3- 3x2+x-5,g(x) = X-2/3​

aishasingh38 aishasingh38

• 26.04.2019
• Math
• Secondary School

answered F(x) = 9x3- 3x2+x-5,g(x) = x-2/3​ See answers preeti9578 preeti9578

Answer:

Step-by-step explanation:

f(x)=9x³-3x²+x-5

g(x)=x-2/3

f(2/3)=9*(2/3)³-3*(2/3)²+2/3-5

        =9*8/27-3*4/9+(2-15)/3

        =8/3-4/3-13/3

        =(8-4-13)/3

        =-9/3

        =-3

Brainly User Brainly User

Answer:

-3

Step-by-step explanation:

g(x) = x - 2/3

   x = 2/3

f(2/3) = 9*(2/3)³-3*(2/3)²+2/3-5

        = 9*8/27-3*4/9+(2-15)/3

        = 8/3-4/3-13/3

        = (8-4-13)/3

        = -9/3

        = -3

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