Question: help with question attached A solid object is dropped into a pond with a temperature of 20 degrees Celsius. The function f(t) - Ce( kt)

help with question attached

A solid object is dropped into a pond with a temperature of 20 degrees Celsius. The function f(t) - Ce( kt) + 20 represents the situation, where t is time in minutes, C is a constant, and k - 0.0399. After 4 minutes the object has a temperature of 35 degrees Celsius. What was the initial temperature of the object? Round your answer to the nearest tenth, and do not include units

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