The temperature of a place is of 5 °C in midday and then it decreases 0,3 °C every hour. What is the equation that models this situation and what will be the temperature at 8:00 pm? ("y = ax + b" situations)

Respuesta :

The equation that models this situation is y = 5 - 0.3x and the temperature at 8:00 pm is 2.6

How to determine the equation?

The given parameters are

Initial = 5

Rate = 0.3 decrease

The equation that models this situation is

y = Initial - rate * x

So, we have

y = 5 - 0.3x

The temperature at 8:00 pm is when x = 8

So, we have

y = 5 - 0.3 * 8

Evaluate

y = 2.6

Hence, the temperature at 8:00 pm is 2.6

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