Can someone please help me understand ?

Mathematics
Tutor: None Selected Time limit: 1 Day

The resale value V, in dollars, of a certain car is a function of the number of years t since the year 2012. In the year 2012 the resale value is $14,000, and each year thereafter the resale value decreases by $1200.

(a) What is the resale value in the year 2013? 

(b) Find a formula for V as a function of t

(d) Use functional notation to express the resale value in the year 2015.

Calculate that value.

 $ 

Sep 24th, 2015

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Sep 24th, 2015

explanations:

a) since only one year has passed after 2013, so the value will reduce by 1200

b) after t years value reduces by 1200*t so we will deduct 1200*t from 14000 (original resale value)

d) Here three years has passed after 2012, so we will deduct 1200*3 from 14000 (original resale value)

Sep 24th, 2015

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