$\text { Find an equation of the tangent line to the graph of the function } f ( x ) = \sqrt { x - 2 } \text { at }$

question 70

Multiple Choice

$\text { Find an equation of the tangent line to the graph of the function } f ( x ) = \sqrt { x - 2 } \text { at }$ the point $( 18,4 )$ .

• A) \(y = \frac { x } { 4 } + \frac { 7 } { 2 }\)
• B) \(y = \frac { x } { 8 } + \frac { 7 } { 4 }\)
• C) \(y = \frac { x } { 8 } + \frac { 9 } { 2 }\)
• D) \(y = \frac { x } { 4 } + \frac { 9 } { 2 }\)
• E) \(y = \frac { x } { 8 } + \frac { 9 } { 4 }\)

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Definitions:

Modiolus

Central core of spongy bone about which turns the spiral canal of the cochlea.

Organ Of Corti

Named for Italian anatomist Marquis Alfonso Corti (1822–1888). Spiral organ; rests on the basilar membrane and supports the hair cells that detect sounds.

Perilymph

Fluid contained within the bony labyrinth of the inner ear.

Medial Geniculate Nucleus

A part of the thalamus that acts as a relay station for auditory information on its way to the cerebral cortex.