Question 7 Answer & Explanation - SAT Algebra

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algebra

In $T = -2m + 90$ , $T$ is temperature in Celsius and $m$ is minutes. What is the initial temperature?

-2

Correct Answer: B

Choice Dhoice A is the correct answer.

Initial: When $m=0$ , $T = 90$ .

Choice Dhoice C is incorrect because this is the rate of cooling.

Choice Dhoice D is incorrect because calculation error.

Choice Dhoice C is incorrect because calculation error.

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Linear Functions Set 38

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