$\text { Consider the function } f ( x ) = \sqrt { x } \text { and the point } P ( 81,9 ) \text { on the graph of } f \text {. }$

Multiple Choice

$\text { Consider the function } f ( x ) = \sqrt { x } \text { and the point } P ( 81,9 ) \text { on the graph of } f \text {. }$ Find the slope of the secant line passing through $P ( 81,9 )$ and $Q ( x , f ( x ) )$ for $x = 1$ . Round your answer to four decimal places.

A) $\mathrm { m } = 0.1000$
B) $\mathrm { m } = 0.0122$
C) $\mathrm { m } = 0.0122$ .
D) $\mathrm { m } = 0.3133$ .
E) $\mathrm { m } = 0.1000$ .