isa2337 isa2337
  • 02-11-2019
  • Mathematics
contestada

25) If f(x) = 2x-3 and g(x) = 2x + 5, what is the value of (g • f)(4)?
A) 3
B) 6
C) 3.5

Respuesta :

ranikashyab066 ranikashyab066
  • 06-11-2019

Answer:

(g • f) (4)  = 15

Step-by-step explanation:

Here, f(x)  =   2x -3

g(x) = 2x +5

Now, (g • f)(4)  = g (f(4)) = g(2(4) -3)  = g(5)

now, g(5) = 2 (5)  + 5 = 15

So, (g • f) (4)  = 15

Answer Link

Otras preguntas

If x=7 and y=−5, evaluate the following expression:3x−y/2​
PLEASE HURRY 10 POINTS AND BRAINLLEST!!!!!!!!!!!!!!!!!Do you agree with the author’s opinion about fossil fuels? Your answer should be 1 to 2 sentences.
I need this one to be right I’ll mark brainiest if right
Rusty is buying a new game that costs $50. What amount of sales tax must he pay if the sales tax rate is 5%, 10%, or 15%?
3.6 Critically discuss how fraud and corruption maygrowth and development of a country.​
Verbeter die SPELFOUT in die volgende sin. Die korrekte kos sal jou 'n lis vir die dag gee.
Akiko is multiplying -15 by a positive integer. Which of the following statements describes the product Akiko should get?
Can you please help me
PLZ help URGENT needed NOW
i need help with this system of equations. pls its urgent!!! 4 – 3 = 9 and 2 + 6 = 5.