For the given function, find the indicated function value.
-For $g ( x ) = \sqrt { x ^ { 2 } - 20 }$, find $g ( 3 )$.
A) $3 \sqrt { 5 }$
B) $2 \sqrt { 3 }$
C) $\sqrt { 7 }$
D) Does not exist as a real number

Question

Quizplus · Accepted Answer

Plugging in x = 3 gives g(3) = sqrt(9-20) = sqrt(-11), which does not exist as a real number.

For the Given Function, Find the Indicated Function Value g(x)=x2−20g ( x ) = \sqrt { x ^ { 2 } - 20 }g(x)=x2−20​

For the Given Function, Find the Indicated Function Value $g ( x ) = \sqrt { x ^ { 2 } - 20 }$