You buy a new car for $25,000 and 2 years later, the car is valued at $17,500. Assuming that the depreciation is linear, write a linear depreciation function and graph that models this situation and use that equation to find when the car is worth $5,000?

Q: A local aquarium found that if the price of admission was $17. the attendance was about 1950…

A: Consider the given information, Let the first point 17,1950 and the second point is 14,2450.   Let…

Q: Finbar bought his home for $150,000 in 2010. Property values have increased 10% every year since he…

A: Given, in 2010 Finbar bought his home $150,000 property value increase 10% every year, To find the…

Q: A house increases in value in a linear fashion from $220,000 to $300,000 in 5 years.Find the…

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Q: Your new job guarantees you an eight percent raise for each year with the company. If your initial…

A: Initial salary is $42,200 with raise of 8% each year, After completing the first year, salary will…

Q: You invest $10,000 into an account that earns 4.5% interest each year. Give the equation of the line…

A: We have invested $10,000 in the account.  Now, it earns 4.5% interest each year. Therefore, each…

Q: car is worth $5600 when it is 7 years old and $4500 when it is 11 years old. What is a formula, in…

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Q: Gordon borrowed $420 from Lyn and agreed to pay her back $24 every month. Write a formula (linear…

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Q: The yearbook staff at the high school expects to sell 500 yearbooks this year. They expect sales to…

A: The yearbook staff at the high school expects to sell 500 yearbooks this year. They expect sales to…

Q: A house is worth $125,000 when it is 2 years old and $135,150 when it is 7 years old. What is a…

A: It is given that the worth of the house when it is 2 years old is $125,000 and its worth is $135,150…

Q: Give an example of a nominal variable for people in recovery for substance abuse

A: Nominal variable: This type of variable are basically qualitative variables taking categories with…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.