trawww trawww
  • 17-05-2016
  • Mathematics
contestada

What is the domain of the function f (x) x-5/x^2-9

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 18-05-2016
means the number you can use
remember we can't divide by zero
domain is x^2-9
set to zero to find values we can't use
x^2-9=0
x^2=9
x=+/-3

domain=all real numbers except -3 and 3

Answer Link

Otras preguntas

How do I simplify before multiplying
36 workers I need 1 pen for each worker. For every 3 people who prefer red pens,there are 9 who prefer blue. How many blue pens do I need
Compare and contrast gene pools and allele frequencies.
The volume of a sample of a gas at 273 c is 200.0 l. if the volume is decreased to 100.0 l at constant pressure, what will be the new temperature of the gas?
If you dissolve the maximum amount of table sugar possible in water, the resulting mixture would be
Study this scene of a metal extraction furnace in western England during the early 1800s. Then answer the question that follows. Which sentence best explains ho
a rectangle has an area of 18 M squared and the perimeter of 18 m what r its lengths and widths
New flowers arebeing planted in circular flower bed with 14-foot diameter. If each flower requires 2 squares feet of space, about how many flowers can be plante
Which of the following is NOT a recurring theme in the poetry of Anne Bradstreet? salvation of the soul in the afterlife Catholic tradition and ritual devotion
Why is DNA important to a cell?