Question

While drilling a hole in the earth, it was found that the temperature (T °C) at x km

below the surface of the earth was given by T = 30 + 25(x – 3), when 3<=x<=15.

Between which depths will the temperature be between 200°C and 300°C?

Solve the following systems of inequalities graphically.​

Answer 1

Answer:

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Step-by-step explanation: