17-09-2018
Mathematics

contestada

find (f ° g)(x) and (g ° f)(x)

f(x) = 7x-4, g(x)=5-3x

Respuesta :

jimrgrant1 jimrgrant1

17-09-2018

(f ◦ g)(x) = f(g(x))

substitute x = g(x) = 5 - 3x into f(x)

f(g(x)) = f(5 - 3x) = 7(5 - 3x) - 4 = 35 - 21x - 4 = 31 - 21x

(g ◦ f)(x) = g(f(x))

substitute x = f(x) into g(x)

g(f(x)) = 5 - 3(7x - 4) = 5 - 21x +12 = 17 - 21x

Answer Link

Otras preguntas

Differentiation formulay=(4x+6)^9

4. The Vetrone family members are all Cincinnati Reds baseball fans. They went to five games last season. The cost of each game, including parking, tickets, and

If 4x−3=2x+9, then x= ?

the geographical region whose center is located along the equator and whose are extends roughly 23 degrees north and south of the equator is known as the a) po

Given a stock index with a value of $1,500, an anticipated dividend of $62 and a risk-free rate of 5.75%, what should be the value of one futures contract on th

7.75 in expanded form

Determine the central ideas or information of a primary or secondary source (the link you provided); provide an accurate summary of the source distinct from pri

how do i solve for this absolute value equation ? |12x - 5| = 11

In a direct or linear relationship, as one variable increases, what happens to the other variable? It increases

find the mean of 1.8, 1.7, 1.3, 1.1, 1.2, 1.6, 1.8,