Question

dadas as funçoes definidas por F(X)=2x-6 e G(x)=-3x+6 determine no caderno  os valores reais de x para que 
a)F(x)>0
b)G(x)>0
C)F(X)=g(X)
d)F(X)>g(X)

Answer 1

a)
$F(x)>0\\2x-6>0\\ x>3$

b)$G(x)>0\\-3x+6>0\\-x>-2\\x<2$

c)
$F(x)=G(x)\\2x-6=-3x+6\\5x=12\\x=12/5$

d)
$F(x)>G(x)\\2x-6>-3x+6\\5x>12\\x>12/5$