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

“Anda despacio;te podrías caer” ¿está modificando un verbo, un adjetivo o un adverbio?
/PREPOSITIONS 1. 1. The farmers were working _______the farm when we came. 2. There used to be a huge old banyan tree
If the temperature outside was 73 degrees at 5:00 p.m., but it fell 19 degrees by 10:00 p.m., what is the temperature at 10:00 p.m.? Write an addition equation
Describe how power and wealth shaped the outcome of a deviant act or a crime. Share a specific example of a case where social class influenced how a deviant ind
What was a goal of the explorer Juan Pardo? to conquer Peru, Central America, and southeast America to improve relations between explorers and American Indians
A force is applied to a box for 6.10s causing the 5.20kg box to come to accelerate from rest to 2.80m/s. What was the force on the box?
Which method of processing your notes will allow you to test your knowledge of the course material?
Write an equation that I can find the value of X 2.Find the Value of X 3. Find the length of MP 4.Find the length of NP
Solve the formula for the height h polygon
help me plssssssssssssss