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Emil is monitoring the temperature during a cold font. At 7:00 a.m. the temperature is
-11^(@)C. At 11:00 a.m., Emil notices that the temperature has risen
5^(@)C.
What temperature does Emil observe at 11:00 a.m.?

^(@)C

Emil is monitoring the temperature during a cold font. At $7$ : $00$ a.m. the temperature is $-11^{\circ} \mathrm{C}$ . At $11$ : $00$ a.m., Emil notices that the temperature has risen $5^{\circ} \mathrm{C}$ . $\newline$ What temperature does Emil observe at $11$ : $00$ a.m.? $\newline$ ${ }^{\circ} \mathrm{C}$

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Write linear functions: word problems

Full solution

Q. Emil is monitoring the temperature during a cold font. At

7

:

00

a.m. the temperature is

-11^{\circ} \mathrm{C}

. At

11

:

00

a.m., Emil notices that the temperature has risen

5^{\circ} \mathrm{C}

.

\newline

What temperature does Emil observe at

11

:

00

a.m.?

\newline

{ }^{\circ} \mathrm{C}

Identify initial temperature: Identify the initial temperature at $7:00$ a.m. $\newline$ The initial temperature is given as $-11\degree\text{C}$ .
Determine temperature change: Determine the change in temperature from $7:00$ a.m. to $11:00$ a.m. $\newline$ The temperature has risen by $5\degree\text{C}$ .
Calculate temperature at $11$ : $00$ a.m.: Calculate the temperature at $11$ : $00$ a.m. $\newline$ To find the temperature at $11$ : $00$ a.m., we add the change in temperature to the initial temperature. $\newline$ Temperature at $11$ : $00$ a.m. = Initial temperature + Change in temperature $\newline$ Temperature at $11$ : $00$ a.m. = $(-11\,^\circ\mathrm{C}) + (5\,^\circ\mathrm{C})$ $\newline$ Temperature at $11$ : $00$ a.m. = $-11 + 5$ $\newline$ Temperature at $11$ : $00$ a.m. = $-6\,^\circ\mathrm{C}$

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