+9466 temperature = f(x) = 3.8 cos( πx / 20 ) + 2.2
The lowest temperature will occur when cos( πx / 20 ) is at its lowest value, which is -1 .
3.8(-1) + 2.2 = -3.8 + 2.2 = -1.6
The lowest temperature is -1.6 degrees Celsius.
Here's a graph: https://www.desmos.com/calculator/vipm1lflrn
+9466 temperature = f(x) = 3.8 cos( πx / 20 ) + 2.2
The lowest temperature will occur when cos( πx / 20 ) is at its lowest value, which is -1 .
3.8(-1) + 2.2 = -3.8 + 2.2 = -1.6
The lowest temperature is -1.6 degrees Celsius.
Here's a graph: https://www.desmos.com/calculator/vipm1lflrn
