jlomonte jlomonte

10-09-2016
Mathematics

contestada

f(x) = 4/x-9
g(x)=4/x + 9
find f(g(x))

Respuesta :

10-09-2016

hello,

[tex]f(x)= \dfrac{4}{x-9} \\ g(x)= \dfrac{4}{x+9} \\ f(g(x))=f( \dfrac{4}{x+9} )\\ = \dfrac{4}{ \dfrac{4}{x+9}-9} \\ = \dfrac{4(x+9)}{4-9x-81} \\ =- \dfrac{4x+36}{77x+9x} [/tex]

Answer Link

Otras preguntas

how many times is 0.7m in 28m

How is a climax community different than a primitive community?

Republican Ronald Reagan won the 1980 presidential election. a. True b. False

Fossil fuels are made from A. inorganic matter. B. minerals. C. plants and animals. D. water and gases.

A dependent variable is a. directly changed by the experimenter. b. manipulated by changes to the independent variable. c. a variable that is kept constant.

Which of the following is a characteristic protected by anti-discrimination laws_____ . education skills experience age

What is 191x21=?????

Degradates, unlike their parent compounds, are always completely harmless true or false

Which one of the following statements expresses a true proportion? A. 3 : 5 = 12 : 20 B. 42 : 7 = 6 : 2 C. 2 : 3 = 3 : 2 D. 14 : 6 = 28 : 18

A force that builds up landmasses on the earth's surface.