IBillRandomz3645 IBillRandomz3645
  • 24-07-2018
  • Mathematics
contestada

HELP If (f + g)(x) = 3x2 + 2x – 1 and g(x) = 2x – 2, what is f(x)?


a)3x^2+1

b)3x^2-1

c)3x^2+4

d)3x^2-4

e)x^2-2

Respuesta :

gmany
gmany gmany
  • 25-07-2018

[tex](f+g)(x)=f(x)+g(x)\to f(x)=(f+g)(x)-g(x)\\\\We\ have:\\\\(f+g)(x)=3x^2+2x-1\\g(x)=2x-2\\\\substitute\\\\f(x)=(3x^2+2x-1)-(2x-2)=3x^2+2x-1-2x+2=3x^2+1[/tex]


Answer: a)3x^2+1

Answer Link

Otras preguntas

What was the attitude of Church leaders and the wealthy toward the arts? Why?
Between 1923 and 1938, which leader instituted a modernization program in Turkey? (1) Shah Reza Pahlavi (3) Kemal Atatürk (2) Jawaharlal Nehru (4) Ho Chi M
How did Diocletian succeed in preserving the empire?
Which body is in equilibrium? (1) a satellite orbiting Earth in a circular orbit (2) a ball falling freely toward the surface of Earth (3) a car moving with a c
Which type of wave requires a material medium through which to travel? (1) sound (3) television (2) radio (4) x ray
75% of a certain number is 24. What is the number?
What were the positive and negative effects of the Columbian Exchange?
75% of a certain number is 24. What is the number?
write in decimal notation 35 233/1000
Knowing the latitude of a location would be most helpful in determining (1) language (3) population (2) temperature (4) time