For the Given Functions F and G, Find the Requested $$f ( x ) = 9 x - 5 ; g ( x ) = 4 x - 8$$

question 138

Multiple Choice

For the given functions f and g, find the requested function and state its domain.
- $$f ( x ) = 9 x - 5 ; g ( x ) = 4 x - 8$$
Find $f - g$ .

• A) \(( f - g ) ( x ) = 13 x - 13 ; \{ x \mid x \neq 1 \}\)
• B) \(( f - g ) ( x ) = 5 x - 13 ; \left\{ x \mid x \neq \frac { 13 } { 5 } \right\}\)
• C) \(( \mathrm { f } - \mathrm { g } ) ( \mathrm { x } ) = 5 \mathrm { x } + 3\); all real numbers
• D) \(( f - g ) ( x ) = - 5 x - 3\); all real numbers

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