Find $( f - g ) ( x )$ . $f ( x ) = x ^ { 2 } + 3 , g ( x ) = \sqrt { 5 - x }$
A) $x ^ { 2 } + 3 + \sqrt { 5 - x }$
B) $x ^ { 2 } - 3 + \sqrt { 5 - x }$
C) $x ^ { 2 } - 3 + \sqrt { 5 + x }$
D) $x ^ { 2 } + 3 - \sqrt { 5 - x }$
E) $x ^ { 2 } - 3 - \sqrt { 5 - x }$

Question

Find $( f - g ) ( x )$ .​ $f ( x ) = x ^ { 2 } + 3 , g ( x ) = \sqrt { 5 - x }$ ​
A) $x ^ { 2 } + 3 + \sqrt { 5 - x }$
B) $x ^ { 2 } - 3 + \sqrt { 5 - x }$
C) $x ^ { 2 } - 3 + \sqrt { 5 + x }$
D) $x ^ { 2 } + 3 - \sqrt { 5 - x }$
E) $x ^ { 2 } - 3 - \sqrt { 5 - x }$

Quizplus · Accepted Answer

The Answer is D

Find (f−g)(x)( f - g ) ( x )(f−g)(x) ​ f(x)=x2+3,g(x)=5−xf ( x ) = x ^ { 2 } + 3 , g ( x ) = \sqrt { 5 - x }f(x)=x2+3,g(x)=5−x​

Find $( f - g ) ( x )$ $f ( x ) = x ^ { 2 } + 3 , g ( x ) = \sqrt { 5 - x }$