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Sagot :
Answer:
a. y = 9500 - 650x
Step-by-step explanation:
Linear Equations
A function with a linear relationship between its independent (x) variable and dependent variable (y) often produces an equation of
y = mx + b,
where m is the slope or the rate of change and, b is the y-intercept or the initial value of the equation when x = 0.
Solving the Problem
In the problem they mention that a car is bought at $9500 and that it depreciates or decreases by $650 each year so,
- 9500 must be the initial value, or b value, of the car
- -650 is the rate of change or the m value.
Thus its equation is y = -650x + 9500 or y = 9500 - 650x
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