$f ( x ) = \sqrt { x } ; g ( x ) = x + 9$

question 291

Multiple Choice

$f ( x ) = \sqrt { x } ; g ( x ) = x + 9$
Find $( f + g ) ( x )$

• A) \(( f + g ) ( x ) = 9 \sqrt { x } + x\)
• B) \(( f + g ) ( x ) = x \sqrt { x } + 9\)
• C) \(( f + g ) ( x ) = \sqrt { x } + x + 9\)
• D) \(( f + g ) ( x ) = x \sqrt { x } + x ^ { 2 } + 9 x\)

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Definitions:

Infraspinatus

A thick triangular muscle located on the back of the shoulder which helps in the rotation and stabilization of the shoulder joint.

Coracobrachialis

A muscle in the shoulder that assists with flexion and adduction of the arm at the shoulder joint.

Teres Major

A muscle of the upper limb that assists in rotating the arm and bringing it towards the body.

Deltoid

A large triangular muscle covering the shoulder joint, responsible for lifting the arm and giving the shoulder its range of motion.