Replace each __ with greater than or less than symbol
2 answers:
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Answer:
The cosine function that models this reaction is:
Step-by-step explanation:
The general cosine function has the following form
Where A is the amplitude: half the vertical distance between the highest peak and the lowest peak of the wave.
is the period: time it takes the wave to complete a cycle.
k is the vertical displacement.
The maximum temperature is 160 and the minimum is 20. Then the amplitude A is:
The reaction completes a cycle in 8 hours
Then the period is 8 hours.
Thus:
The function is:
when y is minumum therefore
So
Now we substitute in the function and solve for k
Finally