Nevada554 Nevada554
  • 11-06-2014
  • Mathematics
contestada

Find all real numbers x such that
x^4 ≤ 8x^2 − 16.

Respuesta :

konrad509
konrad509 konrad509
  • 11-06-2014
[tex] x^4 \leq 8x^2 -16\\ x^4-8x^2+16\leq0\\ (x^2-4)^2\leq0\\ x^2-4=0\\ x^2=4\\ x=-2 \vee x=2[/tex]
Answer Link

Otras preguntas

list at least two features YOU would look for in a bank.
ublic static void mathMethod(int x)Which of the following method calls are legal?a. mathMethod(x);b. mathMethod(y);c. mathMethod(x, y);d. mathMethod(x + y);e. m
true or false: The former Western Roman empire became the byzantine empire
As an investor you have a required rate of return of 12 percent for investments in risky stocks. You have analyzed three risky firms and must decide which (if a
Josh makes $6916.67 per month. It is recommended to keep your housing budget between 25% 30% of your monthly income, how much can Josh afford for rent? Josh can
who is the tallest in stray kids
_ is using activities to help work groups set goals, develop positive interpersonal relationships, and clarify the roles and responsibilities of each team membe
What does it mean to take ownership of your own learning? In your response, describe the difference between active and passive learning. ​
Point charge A with a charge of +3.00 μC is located at the origin. Point charge B with a charge of +6.00 μC is located on the x axis at x = 7.00 cm. And point c
A bullet is fired with a muzzle velocity of 1446 ​ft/sec from a gun aimed at an angle of 5 degrees above the horizontal. Find the vertical component of the velo