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

Which equation can be used for x in the following diagram?
Which is a worldwide trend in the standard of living since the mid-twentieth century? The life expectancy in developed countries fell from 74 to 66 years.
Explain the significance of the March on Washington fight against racism.
Find the values of the six trigonometric functions for angle θ.Give answers in simplest form.
Sorrento Skies Corporation issues 16.000 shares of $100 par value preferred stock for cash at $120 per share. The entry to record the transaction will consist o
If a+b=9 and ab=18,find the value of a and b.
What are two major religious groups that settled in the English colonies
need help asap!! look at the images attached
Where are the nouns and pronouns in this sentence Tom dislikes anything to do with music and drama almost as much as he dislikes running in PE.
Which of the following supports the theory of evolution? a. homologous structures b. geographic distribution of organisms c. embryonic stages of development