Answer:
The value of car after 7 years will be $8,577.77
Step-by-step explanation:
A new car is purchased for 23200 dollars.
Initial price of car, P = $23,200
The value of the car depreciates at 13.25% per year.
Rate of depreciation, r = 13.25% = 0.1325
Time of depreciation, t = 7 years
Formula:
Hence, The value of car after 7 years will be $8,577.77
Answer:
Increasing if f' >0 and decreasing if f'<0
Step-by-step explanation:
Difference quotient got by getting
will be greater than 0 if function is increasing otherwise negative
Here h is a small positive value.
In other words, we find that whenever first derivative of a function f(x) is positive the function is increasing.
Here given that for x1, x2 where x1<x2, we have
if f(x1) <f(x2) then the function is decreasing.
Or if x1<x2 and if f(x1) >f(x2) for all x1, and x2 in I the open interval we say f(x) is decreasing in I.