Find the Limit $\lim _ { ( x , y ) \rightarrow ( 1,2 ) } \left( 3 x ^ { 2 } + 4 y ^ { 2 } \right)$

question 29

Multiple Choice

Find the limit $\lim _ { ( x , y ) \rightarrow ( 1,2 ) } \left( 3 x ^ { 2 } + 4 y ^ { 2 } \right)$ .

• A) 52
• B) 16
• C) 73
• D) 19

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Definitions:

Middle Ear

The portion of the ear internal to the eardrum and external to the cochlea, containing three small bones that amplify sound vibrations.

Inner Ear

The innermost part of the ear, containing the cochlea, vestibule, and semicircular canals, which are responsible for sound detection and balance.

Sclera

The white, opaque, fibrous, outer protective layer of the eyeball, extending from the cornea to the optic nerve.

Ciliary Body

A ring-shaped tissue in the eye that connects the iris to the choroid, playing a key role in focusing vision and producing aqueous humor.