A business machine purchased new for $4500 loses $600 per year in value. Which is the rate of change in this situation?A) −600 B) 4500 C) 600x D) x
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Given : A business machine purchased new for $4500 loses $600 per year in value.
To Find :
Which is the rate of change in this situation?
A) −600 B) 4500 C) 600x D) x
Solution:
Value of machine = y
y = 4500 - 600x
4500 = Initial Value
-600 = Rate of change ( -ve sign show decrease in value)
-600x = Value decreased in x year
x = number of years
y (4500 - 600x ) is the value after x years
rate of change in this situation = - 600
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