F(x)=(b-9)x-5 dan g(x)=5x-b mk nilai f(1)+g(1)=

Jawaban:

f(x)=(b-9)x-5

g(x)=5x-b

f(1)+g(1)= ?

f(1)= (b-9)1-5

g(1)= 5(1)-b

f(1)+g(1)= (b-9)1-5 + 5(1)-b = b-9-5+5-b = -9

maka,

f(1)+g(1)=-9

**jangan lupa jawaban terbaik**