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anonymous
 one year ago
Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different years:
Number of years 1 2 3
Option 1 (amount in dollars) 1100 1210 1331
Option 2 (amount in dollars) 1100 1200 1300
Part A: What type of function, linear or exponential, can be used to describe the value of the investment after a fixed number of years using option 1 and option 2? Explain your answer. (2 points)
Part B: Write one function for each option to describe the value of the investment f(n), in dollars, after n years. (4 points)
anonymous
 one year ago
Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different years: Number of years 1 2 3 Option 1 (amount in dollars) 1100 1210 1331 Option 2 (amount in dollars) 1100 1200 1300 Part A: What type of function, linear or exponential, can be used to describe the value of the investment after a fixed number of years using option 1 and option 2? Explain your answer. (2 points) Part B: Write one function for each option to describe the value of the investment f(n), in dollars, after n years. (4 points)

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0do you know how to do it

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0i gotta go sorry Option 2 is linear

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can some one help me

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0do you know how to do this @Tinkerbell2001

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0option 1 is exponential

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0if you graph it the line will curve up slightly

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok so what would the functions look like

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1435949012369:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0that's what option 1 would look like

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1435949041634:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thats what 2 would look like

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok cool but its says for put together a function and write it out do i just put those graphs as it

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0you need to find the equation for the lines

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0idk that part thats what i was trying to ask you about

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok lets find the equation for option 2 first

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0it will be in the form y=mx+b

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0are you familiar with this?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok, try and solve it

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so it will look like y=1000x+1100

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how do you find the slope?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0lets pick (1,1100) and (2,1200)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0slope is y2y1/x2x1

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0now lets find the yintercept

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0plug in one of the points for x and y

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok, so now we have our equation y=100x+1000

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0now they want it in terms of f(n) and n so we rewrite it as f(n)=100n+1000

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0that's the answer for option 2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0does that make sense?
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