The linear function that represents the water level is L = -0.5d + 34 while the number of days will the water take to level 26 feet is 16 days.
A straight line on the coordinate plane is represented by a linear function.
The formula for a linear function is f(x) = ax + b, where a and b are real values.
As per the given,
Initial water level = 34 feet
Rate of receding = 0.5 feet per day = -0.5
New level L = -0.5d + 34
For the level to be 26 feet,
26 = -0.5d + 34
0.5d = 34 - 26
d = 16 days
Hence "The equation L = -0.5d + 34, which represents the water level, states that it will take 16 days for the water to reach a level of 26 feet".
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