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

In the history of Major League Baseball, the most valuable player award has been won by players from 7 different countries. which countries were they
the line segment AB is rotated through 90° clockwise about the point C. the coordinates of A', the image of A, are​
Find the probability of exactly three successes in six trials of a binomial experiment in which the the probability of is 50%.
A species in imminent danger of extinction throughout all or a significant portion of its range is said to be:
Given the functions below, find f(x)+g(x) CHECK MY ANSWERS PLEASE
If a company issues 1,000 shares of $1 par value common stock for $20 per share, what would be the effect on the accounting equation
When a rope is wrapped around a wheel (or pulley) and pulled, the lever arm is the ________ Blank 1 of the wheel and the angle between this and the force is ALW
Atoms contain both positive nuclei and a negative electron cloud. Which of the following would cause an attraction between two atoms? A. The nucleus of one atom
please give me a pen,,(passive form)​
Which is a symbol that represents SI units for temperature? °C g L °F