Question

Let f and G be the two functions from or to or Defined by f(x)=3x-4 and g(x)=x²+3 find fog​

Answer 1

• $f(x) = 3x - 4$g(×)=×2+3
• fog=

1. $f(g(x)) = f( {x}^{2} + 3) \\ 3( {x}^{2} + 3) - 4 \\ 3 {x}^{2} + 9 - 4 \\ 3 {x}^{2} + 5$