SOLUTION: Use the functions to answer the question. f(x) = 3x; g(x) = 4x2 + 1 Which is equal to (f circle g) (x)? (Points : 4) 1)12x3 + 3x 2)12x2 + 3 3)36x2 + 1 4)4x2 + 3x + 1

Algebra ->  Functions -> SOLUTION: Use the functions to answer the question. f(x) = 3x; g(x) = 4x2 + 1 Which is equal to (f circle g) (x)? (Points : 4) 1)12x3 + 3x 2)12x2 + 3 3)36x2 + 1 4)4x2 + 3x + 1      Log On


   

Question 838761: Use the functions to answer the question.
f(x) = 3x; g(x) = 4x2 + 1
Which is equal to (f circle g) (x)? (Points : 4)
1)12x3 + 3x
2)12x2 + 3
3)36x2 + 1
4)4x2 + 3x + 1
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

f(x) = 3x; g(x) = highlight%284x%5E2+%2B+1%29 

Substitute highlighted in for x in f(x) = 3x

(fog)(x) = 3highlight%284x%5E2+%2B+1%29 = 12x^2 + 3