A Heat Probe Is Attached to the Heat Exchanger of a Heating

question 67

Multiple Choice

A heat probe is attached to the heat exchanger of a heating system. The temperature T (in degrees Celsius) is recorded t seconds after the furnace is started. A model for the data recorded
For the first two minutes is given by $T = \frac { 1351 + 78 t } { 54 + t } . \text { Find } \lim _ { t \rightarrow \infty } T$

• A) \(1429 ^ { \circ }\)
• B) \(1351 ^ { \circ }\)
• C) \(54 ^ { \circ }\)
• D) \(78 ^ { \circ }\)
• E) \(25 ^ { \circ }\)

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