Let $f ( x ) = 3 x + 1$ and $g ( x ) = 3 x ^ { 2 } - 2 x + 1$ . Find $f - g$ , $\mathrm { fg }$ , and their domains.

Name: Let $f ( x ) = 3 x + 1$ and $g ( x ) = 3 x ^ { 2 } - 2 x + 1$ . Find $f - g$ , $\mathrm { fg }$ , and their domains.
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The Answer of Let $f ( x ) = 3 x + 1$ and $g ( x ) = 3 x ^ { 2 } - 2 x + 1$ . Find $f - g$ , $\mathrm { fg }$ , and their domains.

Let f(x)=3x+1f ( x ) = 3 x + 1f(x)=3x+1 And g(x)=3x2−2x+1g ( x ) = 3 x ^ { 2 } - 2 x + 1g(x)=3x2−2x+1

Let $f ( x ) = 3 x + 1$ And $g ( x ) = 3 x ^ { 2 } - 2 x + 1$