Give a rule for the piecewise-defined function. Then give the domain and range.
- $Give a rule for the piecewise-defined function. Then give the domain and range. - A) f ( x ) = \left\{ \begin{array} { l l } - 2 x & \text { if } x \leq 1 \\ x + 2 & \text { if } x > 1 \end{array} \right. ; Domain: ( \infty , 2 ) \cup ( 2 , \infty ) , Range: ( \infty , \infty ) B) f ( x ) = \left\{ \begin{array} { l l } - x & \text { if } x \leq 1 \\ 2 x + 1 & \text { if } x > 1 \end{array} \right. Domain: ( \infty , \infty ) , Range: ( \infty , 2 ) \cup ( 2 , \infty ) C) f ( x ) = \left\{ \begin{array} { l l } - 2 x & \text { if } x \leq 1 \\ x + 1 & \text { if } x > 1 \end{array} \right. ; Domain: ( \infty , \infty ) , Range: ( \infty , \infty ) D) f ( x ) = \left\{ \begin{array} { l l } 2 x & \text { if } x \leq 1 \\ x + 1 & \text { if } x > 1 \end{array} \right. ; Domain: ( \infty , \infty ) , Range: ( \infty , \infty )$
A)

f ( x ) = \left\{ \begin{array} { l l } - 2 x & \text { if } x \leq 1 \\ x + 2 & \text { if } x > 1 \end{array} \right.

; Domain:

( \infty , 2 ) \cup ( 2 , \infty )

, Range:

( \infty , \infty )

f ( x ) = \left\{ \begin{array} { l l } - x & \text { if } x \leq 1 \\ 2 x + 1 & \text { if } x > 1 \end{array} \right.

Domain:

( \infty , \infty )

, Range:

( \infty , 2 ) \cup ( 2 , \infty )

f ( x ) = \left\{ \begin{array} { l l } - 2 x & \text { if } x \leq 1 \\ x + 1 & \text { if } x > 1 \end{array} \right.

; Domain:

( \infty , \infty )

, Range:

( \infty , \infty )

f ( x ) = \left\{ \begin{array} { l l } 2 x & \text { if } x \leq 1 \\ x + 1 & \text { if } x > 1 \end{array} \right.

; Domain:

( \infty , \infty )

, Range:

( \infty , \infty )

For the Pair of Functions, Find the Indicated Sum, Difference f(x)=x2+1,g(x)=9x+5f ( x ) = x ^ { 2 } + 1 , g ( x ) = 9 x + 5f(x)=x2+1,g(x)=9x+5

Multiple Choice

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For the Pair of Functions, Find the Indicated Sum, Difference $f ( x ) = x ^ { 2 } + 1 , g ( x ) = 9 x + 5$

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