justinem24981 justinem24981
  • 24-05-2018
  • Mathematics
contestada

et f(x) = 3x ­- 6 and g(x) = x ­- 2. Find f(g(5)) - ie. (f o g)(5) and its domain

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 24-05-2018
f(g(5)) = f(5-2) = f(3) = 3·3 - 6 = 3

f(g(5)) = 3

_____
Both f(x) and g(x) are polynomials, so their domain is "all real numbers". The same is true for f(g(x)).

The domain of f(g(5)) is 5.
Answer Link

Otras preguntas

What is a source? Describe two different types of sources. NEED ANWSER ASAP
The energy needs of an eagle range between 350-600 calories per day. If it gets 120 calories from consuming 1 snake, how many snakes can it have
Factor Completely. 24x^2 - 44x + 12
What does Robert do BEFORE he finds his truck in the yard?
True or False: Less economically developed nations depend more on primary and secondary sectors of the economy.
1. Why aren't Ms. Gruwell's students motivated to succeed in school? What outside factors affect their ability to learn?
linear sequence is 11,20,29,38 whats the nth term​
simplify the expression. -1 (x+9)
El significado de reflejo
HELP ASAP Which equation is correct? 792 x 5 = 700 x 5 + 90 x 5 + 2 792 x 5 = 700 + 90 x 5 + 2 x 5 792 x 5 = 700 x 5 + 90 x 5 + 2 x 5 792 x 5 = 7,000 x 5 + 900