1. Jameston High School has 2020 students. Its enrollment has been decreasing at a rate of 125 students per year. Townsville High School has 1075 students. Its enrollment has been increasing at a rate of 80 students per year. Assuming the enrollment rates continue:
A. Write an equation to model this.
B. When will they have the same enrollment?
C. What is that enrollment amount?

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- Kash_TheSmartGuy

J=2020-125x
T=1075+80x

- anonymous

so im a bit confused why that ? sorry when it comes to math im completly lost

- Kash_TheSmartGuy

x represents years, -125 represents loss of students and J represents Jamestown School

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- anonymous

how can i write that into an answer for the question

- Kash_TheSmartGuy

- anonymous

the equations @Kash_TheSmartGuy put up are the answers for part A

- anonymous

for B you need to set the equations equal to each other and solve for x
2020-125x=1075+80x

- Kash_TheSmartGuy

2020-125x=1075+80x
Solve for x and there is the time it will take them to become the same.

- anonymous

x=18941 ?

- anonymous

189/41

- anonymous

yes

- anonymous

for C plug 189/41 in for x in either of the equations from A to get the enrollment

- anonymous

59195/41 this is what i got ?

- anonymous

yes. you should probably write that as a decimal and round to the nearest whole. Can't have part of a student

- anonymous

1443.7804878 im not so sure how to round tho

- Kash_TheSmartGuy

Do you have to round to the nearest hundreth, tenth or what?

- anonymous

1444

- Kash_TheSmartGuy

1443.8 or 1443.78 or 1444

- Kash_TheSmartGuy

You get it, right? @Andrews_girl

- anonymous

yes i understand

- Kash_TheSmartGuy

k.. good, any other questions?

- Kash_TheSmartGuy

Please end this question and then start a new question if you have one.

- anonymous

yes actually oh and thank you for being patient with me , i must seem like such an airhead

- Kash_TheSmartGuy

Nope, it's good that you're eager to learn!

- Kash_TheSmartGuy

Learning is good and don't feel bad if you don't know something, someone's always around to help you out. Actually, this was a bit of a learning experience for me?

- anonymous

well yeah i guess your right , i just hate being really bad at math.

- anonymous

given : f(x)=8-4x
A. Find f(=2)
b. Find x when, f(x)=8
c. graph the function
D. state the domian and range of the function
e. use the graph to find x when f(x)=0. show the details on the graph
f. Use the graph to find f(x) when x = 3. Show details on the graph

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