arod123 arod123
  • 04-03-2015
  • Mathematics
contestada

find the domain of a rational expression (x^2-16)(x-7) / (x+4)(x^2-49)

Respuesta :

Аноним Аноним
  • 04-03-2015
Domain is:

x is an element of a real number, but isn't equal to -4, 7 or -7.
Answer Link
Panoyin
Panoyin Panoyin
  • 04-03-2015
(x² - 16)(x - 7) = (x³ - 7x² - 16x + 112) = 1 - 1 3/4 + 4 - 7 = -3 3/4
(x + 4)(x² - 4)       (x³ + 4x² - 4x - 16)
Answer Link

Otras preguntas

What was the Harley smoot tariff
Although the element hydrogen is a non-metal, it is located on the left side of the periodic table. Explain how placing hydrogen in the (other nonmetals section
What is the remainder when 6x^4-3x^5+2x^3+x-3 is divided by x+1
please be quick, I need this as soon as possible!
simplify the expression that is equivalent to 2x – 4y, when y = 3x - 6.
Use the equation y=s x 4 −16 s 3 y=sx4−16s3 to answer the question. How can you rewrite the given formula to correctly isolate x x ? Having trouble understandin
What types of activities did Rip Van Winkle most enjoy? Question 2 options: A. walking in the woods, working on his farm, playing with children. B. hunt
the area of a square is 144cm2.what is the measurement of each side​
How do u say bye in Spanish​
Medicine taken by a patient breaks down and eventually leaves the patient’s system. Suppose a dose of 60 milligrams (mg) of medicine is given and it breaks down