Question

3si 4 dau coroanaaaaaa

Answer 1

4)a)
f(x)=-3x+4
g(x)=x/3+1
f(x)=g(x)
⇒-3x+4=x/3+1⇒ numitorul comun este 3
-3x+4=x+3/3⇒
3(-3x+4)=x+3⇒
-9x+12⇒x+3⇒
-9x-x=-12+3⇒-10x=-9
x=-9/10

b)3f(x)+g(4x-1)=8
3(-3x+4)+4x-1=8⇒
-9x+12+4x-1-8=0
-5x+3=0⇒
x=-3/5
sucees