jmet1403
jmet1403 jmet1403
  • 23-01-2021
  • Mathematics
contestada

Let f (x) = 3x2 + 2 and g(x) = 2x, find f (g(x))​

Let f x 3x2 2 and gx 2x find f gx class=

Respuesta :

goddessboi goddessboi
  • 23-01-2021

Answer:

D) 12x^2+2

Step-by-step explanation:

As we are dealing with composite functions, the rule is that f(g(x)) means whatever the value of g(x) is, we substitute that value for x in f(x):

[tex]f(x)=3x^2+2\\g(x)=2x\\f(g(x))=3(2x)^2+2\\f(g(x))=3(4x^2)+2\\f(g(x))=12x^2+2[/tex]

So, f(g(x))=12x^2+2, making D the right answer

Answer Link
mcvalency15
mcvalency15 mcvalency15
  • 23-01-2021

Answer:

the answer is the third possible answer

Answer Link

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