Compute each of the following limits. Enter the exact values of the answers.

$\displaystyle \lim_{{{x}\rightarrow{8}^{{-}}}}$

$\displaystyle {7}-\sqrt{{{41}+{x}}}$   = Preview Question 6 Part 1 of 3   $\displaystyle {x}-{8}$

$\displaystyle \lim_{{{x}\rightarrow{8}^{+}}}$

$\displaystyle {7}-\sqrt{{{41}+{x}}}$   = Preview Question 6 Part 2 of 3   $\displaystyle {x}-{8}$

$\displaystyle \lim_{{{x}\rightarrow{8}}}$

$\displaystyle {7}-\sqrt{{{41}+{x}}}$   = Preview Question 6 Part 3 of 3   $\displaystyle {x}-{8}$