tristyngriffinp7yyhn tristyngriffinp7yyhn
  • 03-05-2018
  • Mathematics
contestada

|1 - 4x| > 7

A. {x|x < -1.5 ∪ x > 1.5}
B. {x|x < -1.5 ∪ x > 2}
C. {x|-1.5 < x < 2}

Respuesta :

gmany
gmany gmany
  • 04-05-2018
[tex]|1-4x| > 7\iff1-4x > 7\ \vee\ 1-4x < -7\ \ \ |-1\\\\-4x > 6\ \vee\ -4x < -8\ \ \ |:(-4)\\\\x < -1.5\ \vee\ x > 2\\\\Answer:\boxed{B.\ \{x:x < -1.5\ \cup\ x > 2\}}[/tex]
Answer Link

Otras preguntas

Stay calm to try to influence the customer to calm down.
Find the distance from (4,2) to (7,6)​
Who brought the first African’s to the Jamestown colony in 1619?
How to simplify 5-3(4y-2)+5y
Margaret drove to a business appointment at 60 mph. Her average speed on the return trip was 50 mph. The return trip took one fifth hr longer because of heavy
What electrical inventions are most essential to daily living?​
please answer the above question​
P/2+A=7m-2n solve the following equation for n
Under what circumstances would the GCF be equal to the numerator of the fraction before simplifying
Help me to answer the following question: How has the number of Nation States and borders changed during the XXth century?