Find an Equation of the Secant Line Containing (1, F(1)) $f ( x ) = \sqrt { x + 48 }$

Multiple Choice

Find an equation of the secant line containing (1, f(1) ) and (2, f(2) ) .
- $f ( x ) = \sqrt { x + 48 }$

A) $y = ( - 5 \sqrt { 2 } - 7 ) x - 5 \sqrt { 2 } + 14$
B) $y = ( 5 \sqrt { 2 } - 7 ) x - 5 \sqrt { 2 } + 14$
C) $y = ( - 5 \sqrt { 2 } + 7 ) x + 5 \sqrt { 2 } - 14$
D) $y = ( 5 \sqrt { 2 } - 7 ) x + 5 \sqrt { 2 } - 14$