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rodikova [14]
3 years ago
13

the temperature of a city Changed by negative 15 degrees Celsius over a five-week. The temperature change by the same amount eac

h week write an expression to show the average change in the temperature of the city each week
Mathematics
1 answer:
Tasya [4]3 years ago
8 0
The really short answer is, there are 5 weeks, and the temperature dropped a total of -15 celsius on those 5 weeks, how many times does 5 go into -15?  -15/5 or -3, so each week, evenly it dropped -3 celsius, and after 5 weeks, it added up to -15 celsius total from the first one.

so in the first week, or week 1, it dropped -3(1), on week 2 it dropped -3(2) on week "w" it dropped -3(w),  f(w) = -3w.
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The average rate of change is given by [f(b) - f(a)]/(b - a), where a and b represent the interval [a, b].

Let a = -2

Let b = -1

[(-1)^2 + 10 - ((-2)^2 + 10)]/(-1 -(-2))

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Angelina_Jolie [31]

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Step 1

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