The function is , where (car worth in dollars) in year .

(a)

when will the car be worth .

Substitute in .

Apply logarithm one to one property : if ,then .

Therefore,the car worth will be after years.

(b)

when will the car be worth 

Substitute in .

Apply logarithm one to one property : if ,then .

Therefore,the car worth  will be after years.

(c)

when will the car be worth .

Substitute in .

Apply logarithm one to one property : if ,then .

Therefore, the car worth will be after years.

(a) The car worth will be after years.

(b) The car worth  will be after years .

(c) The car worth will be after years.