akohler0011 akohler0011

17-04-2019
Mathematics

contestada

(help ASAP)

find f(g(x)) if f(x) = 4 - 2x and g(x) = x + 12

a. -2x - 20
b. -x + 16
c. -2x - 8
d. -x - 20

Respuesta :

wellwin wellwin

18-04-2019

A.

f(g(x)) just means you should go to f(x) and replace every instance of the variable x with g(x). So:

f(g(x)) = 4 - 2(x + 12)

And from here you just simplify:

f(g(x)) = 4 - 2x - 24

f(g(x)) = - 2x - 20

Answer Link

Otras preguntas

Noa was paid a 25 percent commission for selling a used car.If she was paid $1,631.24, what was the selling price of the car?

Who has Caesar named as his heir? Brutus Cassius Octavius Antony

If y = −7, what is the value of x? when y = x 30 over 4

The number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate parameter of 9.1% per hour. Ho

which colony was farthest north

how did the arts grow under suleiman

What is 6 times 9 times negative 5 in parantheses?

After a person stops drinking, his or her bal will...

Please help!!! Is this function linear or nonlinear? y=2x^2−4 linear <----- I think nonlinear

Question 17 of 20 5.0 points infants and toddlers younger than 2 years of age need _________ in their diets for growth, organ protection, and central nervous sy