Let
x--------> the time in minutes
y-------> an altitude in feet
we know that
For x=0 min y=0 ft
For x=50 min y=52,000 ft
so
the rate of change is equal to calculate the slope of the linear equation

Round to the nearest hundred-------->
therefore
<u>the answer is</u>

Answer:
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D) because only 4 is the common factor in the equation.
In logarithm, inverse operations are applied.