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post the full problem please

yessir

ill post the question part neatly
one sec

a screenshot would be better since you don't have to worry about weird format issues

oh okay one sec

thanks

stock B is blank. Is that a typo?

my appologies

ah I see now

so you can completely make up the equation for stock D as long as it fits those conditions

you first need to find the starting price for each stock
do you know how to do this?

:/ not really man im trying to get this out of the way because im so far behind :(

plug x = 0 into the f(x) function
what result pops out?

f(0) = 25(1.08)0??

more like 25*(1.08)^0

use a calculator to compute 25*(1.08)^0

25?

good

stock A's starting price is $25

stock B
in the table, when x = 0, what is f(x) ?

22
i believe lol

yes

C says the initial price is $30

Initial prices
A: $25
B: $22
C: $30
D: not yet determined

what is one possible price for D?

um i dont know 28 maybe

D has the second lowest starting price

wait what

oh 21.56??

sure, anything between 22 and 25

oh anything?

22 is the lowest, so pick anything between 22 and 25 to squeeze in D so it is the second lowest

o ok 23 sorry lol

and hey i reallly appreciate your help btw :)

yeah 23 works too

Initial prices
A: $25
B: $22
C: $30
D: $23

now you need the growth rate of each stock A through C

um

i know c has a growth rate of 4% each day but not the others

stock A has a growth rate of 8%
since 1.08 = 1+0.08
and 0.08 = 8%

is stock B growing or decaying

ahh i see, decaying my bad lol

solve for x
22*x = 21.56
x = ??

uh im stuck on that one lol

divide both sides by 22

divide both sides of what?

the equation

ohhh nvm duhhh jeses im dumb haha

|dw:1435624899470:dw|

|dw:1435624917779:dw|

haha omgoodness i cant believe i was so blind there

yea i got it 0.98 haha

solve for r
1+r = 0.98

idk....?

omfg im ignoring basic math i subtract 1 from .98

yeah, so r = -0.02

0.02

the negative r value tells us we have decay of 2%

ahhh this is neat lol

you subtracted in the wrong order

oh...

Initial prices
A: $25
B: $22
C: $30
D: $23
Growth Rates
A: 8%
B: -2%
C: 4%
D: yet to be determined

you get to make up a percentage for D
make sure it is the second highest growth rate

A: $25
B: $22
C: $30
D: $23
Growth Rates
A: 8%
B: -2%
C: 4%
D: 6%

that works
anything between 4% and 8%

aight

ah you beat me to it lol so do i just put that third part as my answer

sorry about that

or all three equation piecs and no your fine :D

I would show work since most teachers want to see it

ok uno momento

back

hey

okay so like i have 0 ways to make a graph

you can use desmos
https://www.desmos.com/calculator

ok i made the first graph what do i do with this next part

you're on #3, right? or no?

yes :) thanks to this awesome guy

all you're doing with #3 is shifting the graph of f(x) down 3 units

(you)*

the -3 tacked on the end means "the price drops 3 for each day"

so instead of starting with 25, you start with 22

how do i graph it?

type in 25*(1.08)^x - 3 into desmos

it wont let me save it to the computer tho

you can take a screenshot and paste it into your word doc

truu

ok and for part 4

were you able to graph the transformations for part 4?

idkwhat to do for part 4 i dont understand it

and sorry i took so long i ws starting dinner for the family

i totally just got it! thankyou so much sir!