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

17. Choose the true statement. O In Spanish, words ending in "n" or "s" are stressed on the second-to-last syllable if there is no written accent. O in Spanish
F 14 cm 8 cm xº Find the size of angle x. Give your answer correct to 1 decimal place.
Explain why the phosphorolytic cleavage of glycogen is more energetically advantageous than its hydrolytic cleavage.
PLEASE HELP Which three groups of sentences best use a variety of sentence patterns to convey meaning and the relationship between ideas? Select three Select 3
как решить этот уравнения x+7=18​
my brothers name is dookie
The meal tastes delicious ! Is it an affirmative sentence or an exclamatory sentence ?​
Why are some people asymptomatic?
PLEASE HELP ME AND SHOW YOUR WORK
1 1/3 x 2 1/6=1/3 x ?/6=?