SOLUTION: Yuri buys a ton of straw every year. The first time he bought straw, in Year 0, it cost $150.00. He notices the price is getting less expensive, at a rate of 1.5% per year. Yuri

Algebra ->  Functions -> SOLUTION: Yuri buys a ton of straw every year. The first time he bought straw, in Year 0, it cost $150.00. He notices the price is getting less expensive, at a rate of 1.5% per year. Yuri      Log On


   



Question 1119025: Yuri buys a ton of straw every year. The first time he bought straw, in Year 0, it cost $150.00. He notices the price is getting less expensive, at a rate of 1.5% per year.
Yuri sketches a graph of the situation.
Which statement is true?

The point (2, 147.75) is on the graph.
The graph decreases from left to right.
The graph increases from left to right.
The point (3, 141.20) is on the graph.

Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52754) About Me  (Show Source):
You can put this solution on YOUR website!
.
Let's do it in this way:

You answer questions #2 and #3 on your own and post your answers to the forum under the problem's formulation.


Then we, the tutors, will help you to answer remaining questions.


It is to make sure that we have deal with a human and not with a robot.



Answer by josgarithmetic(39613) About Me  (Show Source):
You can put this solution on YOUR website!
The price is decreasing. This is obvious according to the description.

Year 0, $150 per ton
Year 1, 150-0.015%2A150
Year 2, %28150-0.015%2A150%29-0.015%2A%28150-0.015%2A150%29
.
.
Do you see the pattern and put into the form of an equation or function?