harrystylesoxox
harrystylesoxox harrystylesoxox
  • 25-05-2017
  • Mathematics
contestada

What are the restriction the on variables?
4-x/x^2-16
x≠-4 and x≠4
x≠-4
x≠4
No restrictions needed

Respuesta :

FLORC
FLORC FLORC
  • 25-05-2017
find what makes x^2-16=0 and those are the restrictions since denominator cannot equal 0
x^2-16
(x+4)(x-4)
x+4=0
x-4=0
x cannot equal -4
it can equal 4 because the top will also equal 0 so answer is possible
4-4/4^2-16= 0/0
Answer Link

Otras preguntas

what evidence the Green Knight offer that his purpose is playful and non-violent?
spinach and other green leafy vegetables are nutrient-dense foods true or false
You and your friend are making 30 liters of sodium water. You have liters of 10% sodium and your friend has liters of 22% sodium. How many of your liters and ho
Tabitha is trying to find the equation of a line perpendicular to y = 1 over 2x − 5 in slope-intercept form that passes through the point (2, −7). Which of the
Read the excerpt below from "villa accepts a medal" by john reed and answer the question that follows. the officers of artillery, in smart blue uniforms faced w
y=(x-4)/(x*x)-11x+28
__x2%=2469.6 Please, I need this for my class that ends TODAY
Sebastian studies from 3:15 - 4:45.His sister,Sarah studies from 4:30 - 6:15.Who studied longer and by how much?
which shows a way to take apart 4?
Which statements about totem animals carved or painted on a totem pole, copper, or mask are true?