destinyb14
destinyb14 destinyb14
  • 25-07-2016
  • Mathematics
contestada

Solve the compound inequality 6b<24 or 4b+12>4

Respuesta :

odenrox
odenrox odenrox
  • 25-07-2016
6b<24
b<4

4b+12>4
4b>-8
b>-2

-2<b<4
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 25-07-2016
or, not and

solve each seperately

6b<24
divide both sides by 6
b<4

4b+12>4
minus 12 both sides
4b>-8
divide by 4
b>-2

b<4 or b>-2
b>-2 or b<4
if we graph each on a number line, they go in oposite directions

since it is OR, the solution must satisfy one OR the other, doesn't have to be both

graph looks like this

therfor answer is all real numbers
Ver imagen apologiabiology
Answer Link

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