SOMEONE PLEASE HELP ME QUICK I ONLY HAVE 20 MINTUES TO ANSWER THIS AND ID BE SO GRATEFUL IF SOMEONE ANSWERED
There are 30 homes in Neighborhood A. Each year, the number of homes increases by 20%. Just down the road, Neighborhood B has 45 homes. Each year, 3 new homes are built in Neighborhood B.

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- anonymous

- katieb

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Part A: Write functions to represent the number of homes in Neighborhood A and Neighborhood B throughout the years. (4 points)

- anonymous

Part B: How many homes does Neighborhood A have after 5 years? How many does Neighborhood B have after the same number of years? (2 points)

- anonymous

Part C: After approximately how many years is the number of homes in Neighborhood A and Neighborhood B the same? Justify your answer mathematically. (4 points)

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## More answers

- anonymous

@Kash_TheSmartGuy can you help please?

- Kash_TheSmartGuy

Part A: \[f(x)=30*0.2x\]and\[f(x)=45+3x\]
Part B: \[f(x)=30+0.2(5)\]\[f(x)=45+3(5)\]For Part B solve them.
Part C: No idea. Ask someone else.

- anonymous

thank you! one last thing can you tell me how to solve part B?

- anonymous

- anonymous

ill try part C

- anonymous

wow you're very helpful! haha

- Kash_TheSmartGuy

You get it, now? Just use formulas

- Kash_TheSmartGuy

- anonymous

@Kash_TheSmartGuy yes because of mrskipped8thgrade

- Kash_TheSmartGuy

gj @MrSkipped8thGrade

- anonymous

thank you!!! @MrSkipped8thGrade & no just to justify your answer mathematically

- anonymous

which you did

- anonymous

20% of 30 is 6 (for neighborhood A) so every year adds 6 houses

- anonymous

wait i messed up a few times in there let me backtrack

- anonymous

1
A=36
B=48
2
A=42
B=51
3
A=48
B=54
4
A=54
B=57
5
A=60
B=60
Answer is actually 5 years exacly

- anonymous

ok

- anonymous

for part B
neighborhood A has 60 as well as neighborhood B (after 5 years)

- anonymous

is that it?

- anonymous

for part A
neighborhood A
f(x)=30+6x
neighborhood B
f(x)=45+3x
where x = number of years

- anonymous

the first one wouldn't be f(x) = 30 x 0.2x ?

- anonymous

plug in the formula for after 3 years

- anonymous

ok i did I'm going to submit now

- anonymous

f(x) = 30 x 0.2(3)
f(x) = 30 x .6
f(x) = 18
this shows a decrease in houses. obviously not it.

- anonymous

thanks

- anonymous

no problem, anytime. :)

- anonymous

did you get it answered on time? or are you turning an assignment in late? or did you say you only had twenty mins to attract answers?

- anonymous

@sparkles456 ???????

- anonymous

i turned it in late.

- anonymous

- anonymous

that sucks oh well

- anonymous

let me know if you ever have other questions and I will try to help you. :)

- anonymous

yeah but you were really helpful because i was having a lot of trouble with that lesson

- anonymous

ok :)

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