SOLUTION: Find [g ○ f](x) if g(x) = x - 4 and f(x) = 3x2. 3x² - 4 3x² ­- 8x + 16 3x² ­- 24x + 48 3x² ­- 48

Algebra ->  Test -> SOLUTION: Find [g ○ f](x) if g(x) = x - 4 and f(x) = 3x2. 3x² - 4 3x² ­- 8x + 16 3x² ­- 24x + 48 3x² ­- 48      Log On


   

Question 1036657: Find [g ○ f](x) if g(x) = x - 4 and f(x) = 3x2.

3x² - 4
3x² ­- 8x + 16
3x² ­- 24x + 48
3x² ­- 48
Found 2 solutions by josgarithmetic, Boreal:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Put f in g and simplify!!

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Substitute f(x) for x in g(x)
That is 3x^2-4.