Perform the Requested Operation or Operations $$f ( x ) = 5 x + 4 ; g ( x ) = 4 x - 5$$

question 117

Multiple Choice

Perform the requested operation or operations. Find the domain of each.
- $$f ( x ) = 5 x + 4 ; g ( x ) = 4 x - 5$$
Find f/g.

• A) \(( f / g ) ( x ) = \frac { 5 x + 4 } { 4 x - 5 } ;\) domain \(\left\{ x \mid x \neq - \frac { 4 } { 5 } \right\}\)
• B) \(( \mathrm { f } / \mathrm { g } ) ( \mathrm { x } ) = \frac { 5 \mathrm { x } + 4 } { 4 \mathrm { x } - 5 }\); domain \(\left\{ x \mid x \neq \frac { 5 } { 4 } \right\}\)
• C) \(( f / g ) ( x ) = \frac { 4 x - 5 } { 5 x + 4 } ;\) domain \(\left\{ x \mid x \neq \frac { 5 } { 4 } \right\}\)
• D) \(( f / g ) ( x ) = \frac { 4 x - 5 } { 5 x + 4 } ;\) domain \(\left\{ x \mid x z - \frac { 4 } { 5 } \right\}\)

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Definitions:

Meristem Tissues

Regions in plants comprised of undifferentiated cells capable of division and growth, responsible for the plant's growth in length and girth.

Phloem

The vascular tissue in plants responsible for the transport of nutrients, particularly sugar, throughout the plant.

Bark

External part of a tree, containing cork, cork cambium, and phloem.

Casparian Strip

A band of cell wall material found in plant roots that helps control the movement of water and nutrients between the soil and the vascular system.