The equation v = -2000t + 20,000 describes the value in dollars of a certain model of car after it is t years old. if a car is worth $14,000, find the age of the car. a. 5 years c. 3 years b. 4 years d. 2 years

An equation where variables are used to represent known values—function notation true or false

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

2x minus y equals 6, x plus y equals negative 3