Determine the n-intercept of the graph of the car value equation V = -1385n + 18790. What is the practical significance of the n-intercept? Be sure to include units.
a.
The car is worth $1385 after 14 years.
b.
After 14 years, the car is worth $0.
c.
The car is worth $14.
d.
After 7 years, the car has fully depreciated

Question

Mercury · Answer

since they want the n-intercept (a.k.a the n-value at V = 0) simply set V = 0 and solve for n

after solving for n, try to think about the real-life meaning of n and V, and what this implies for the intercept