At 4 p. m., the temperature started to change drastically. each hour, for three hours, the temperature decreased by 7°f. which word in the problem indicates that a negative integer should be used? change each decreased drastically

4th option is correct xy=-10

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step-by-step explanation:

if you meant, "on the way from (3, 2) to (3, 14):

x does not change; y increases by 12.

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