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A metal bar is L cm long when its temperature is T◦C. The quantities L and T are
approximately related by the formula L = 0.002T + 25.

L is a function of T and the rule can be written L(T) = 0.002T + 25. State a possible
practical domain for the function.

Respuesta :

abidemiokin

A possible practical domain for the function is T > 12500

How to find the domain of a function

The domain are the input values for which a function exist.

Given the function relating the metal bar is L cm long when its temperature is T◦C as:

L(T) = 0.002T + 25

The domain of the expression is the point where 0.002T + 25 is greater than zero.

0.002T + 25 > 0

0.002T > -25
T > 12,500

Hence  a possible practical domain for the function is T > 12500

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