$\"\"$

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The formula is $\"\"$ .

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a.

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Room temperature commonly ranges from $\"\"$ to $\"\"$ .

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Find room temperature range in degrees Celsius.

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Case(i):

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$\"\"$ (Formula)

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ )

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$\"\"$ (Multiply)

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$\"\"$ (Simplify)

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Case(ii):

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$\"\"$ (Formula)

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ )

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$\"\"$ (Multiply)

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$\"\"$ (Simplify)

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Therefore, the room temperature range in degree celsius is $\"\"$ to $\"\"$ . $\"\"$

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b.

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The normal average human body temperature is $\"\"$ .

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A temperature above this indicates a fever, then temperature is $\"\"$ .

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Find room temperature range in degrees Celsius.

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$\"\"$ (Formula)

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ )

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$\"\"$ (Multiply)

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$\"\"$ (Simplify)

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So, the temperature above $\"\"$ indicates a fever by human body temperature.

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$\"\"$

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a.The room temperature range in degree celsius is $\"\"$ to $\"\"$ .

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b.The temperature above $\"\"$ indicates a fever by human body temperature.