Give an Appropriate Answer $f ( x , y )$ And the Positive Number

question 152

Essay

Give an appropriate answer.
-Given the function $f ( x , y )$ and the positive number $\varepsilon$ as in the formal definition of a limit, find a positive number $\delta$ as in the definition that insures $| f ( x , y ) - f ( 0,0 ) | < \varepsilon$ .
$f ( x , y ) = x + y ; \varepsilon = 0.08$

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Definitions:

Cortisol

Steroid hormone released by the zona fasciculata of the adrenal cortex; increases blood glucose and inhibits inflammation.

Positive Feedback

A process in which the end products of an action cause more of that action to occur in a feedback loop.

Hypocalcemia

A medical condition characterized by abnormally low calcium levels in the blood, which can cause neurological issues.

Cardiac Arrhythmias

are irregular heartbeats that can be too fast, too slow, or erratic, disrupting normal heart rhythm and function.