tallennja2 tallennja2
  • 02-05-2021
  • Mathematics
contestada

What are the coordinates of the hole in the graph of the function f(x)?

f(x)=x2+3x−28x+7

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 02-05-2021

9514 1404 393

Answer:

  (-7, -11)

Step-by-step explanation:

  [tex]\dfrac{x^2+3x-28}{x+7}=\dfrac{(x+7)(x-4)}{x+7}=x-4\qquad x\ne-7[/tex]

The hole is at x=-7. The left- and right-limits at that point are -7-4 = -11. So, the coordinates of the hole are (-7, -11).

Ver imagen sqdancefan
Answer Link

Otras preguntas

Forty six times y is no more than 276
During the first year, ABC's stock price starts at $ \$100 $ and increases $ 100\% $. During the second year, its stock price goes down $ 25\% $ from its price
Where does traditional systematics place the most emphasis when determining taxonomic groupings?​
The isotope carbon-14 has 6 protons and an atomic mass of 14. Carbon-14 has:14 neutrons8 neutrons20 neutrons6 neutrons​
How does a combustion reaction happen and how can we prevent a combustion reaction from happening?
A brick of salt has a volume of 50cm and a mass of 100 grams. What is its density?
Help with these abswer
A cyclist is riding a bicycle whose wheels have a radius of 14 inches. Suppose he is traveling at 29 miles per hour. What is the angular speed of the wheel in r
I need help with this question.
list 2 of the important properties of gases​