For the Curve F(x) = $\sqrt { x + 3 }$

For the curve f(x) = $\sqrt { x + 3 }$ , find the slope M_PQ of the secant line through the points P = (1, f (1) ) and Q = (6, f (6) ) .

A) 2
B) 1
C)
$\frac { 2 } { 3 }$
D) $\frac { 3 } { 2 }$
E) 5
F) $\frac { 1 } { 3 }$
G)
$\frac { 1 } { 2 }$
H) 3