Athermometer is taken from a room where the temperature is 23oc to the outdoors, where the temperature is −9oc. after one minute the thermometer reads 15oc.
(a) what will the reading on the thermometer be after 4 more minutes?
(b) when will the thermometer read −8oc?

Step-by-step explanation:

Temperature in the room

Decrease in the temperature(outdoors) in .

Rate of decrease

(a) After

But it is not possible as outdoor temperature is so after temperature decrease will not occur.

Hence after more minutes temperature=

(b) Let after temperature is

Here

this shows a reflection over the x-axis and is translated one unit down and 6 units to the right (x + 6, y - 1)

hope this !

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(3x-8) or (3x+8)

step-by-step explanation: