Question

dados f(x) =3x+1 g(x) =3xe h(x) =4,determine os valores de x para quais f(x)+g(x) >h(x)

Answer 1

f (x)+g (x)>h (x)
3x+1+3x>4
6x+1>4
6x>4-1
6x>3
x>3/6
x>1/2

S={x E R/x>1/2}