evelynolguin526 evelynolguin526

08-04-2022
Mathematics

contestada

If f(x) = x-3/x and g(x) = 5x-4, what is the domain of (f•g)(x)?

If fx x3x and gx 5x4 what is the domain of fgx class=

Respuesta :

karenfig karenfig

08-04-2022

Answer: x cannot equal 4/5 (3rd choice)

Step-by-step explanation:

f(g(x)) = f(5x-4)

plug 5x-4 into all values of x in the f(x) equation

f(5x-4)= ((5x-4) - 3))/ (5x-4)

f(5x-4) = (5x-7)/(5x-4)

set denom = 0 and solve for x to find domain

5x-4 = 0

5x = 4

x = (4/5)

x cannot equal (4/5)

Answer Link

Otras preguntas

Is 13 x 25 positive or negative ?

Identify and explain one social consequence and one economic consequence that countries face as their populations age.

The 1920's and 30's brought us the rise of political demagogues in western europe. What similarities do we see in today's society?

Explain how natural selection helps the survival of a species.

Verificó los billetes en el tren. el horario la litera el revisor andé la parada del tren

Because the Texas Constitution does not have a “necessary and proper” clause, _________. a. government powers are almost unlimited b. much of what is included i

I need help on 3 of this

What number representa the same amount as 1 hundred + 5 tens + 12 ones

Which set of steps will NOT get you to the point (3.5,2)?

which expression could represent the concentration os a solution