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Can you please answer and explain it?

 

It's about function's were you make your own but i do not know of them please answer asap i beg you this is really difficult and i need to hand it in in a day please help

Function:

 

Real life situation for the function:

 

X(input)=

 

y(output)=

 

input/output table:https://postimg.org/image/4mizojj2n/00c70fc2/

Graph:https://postimg.org/image/yw6sycw8p/082a63f2/

 

Domain:

 

Range:

 

Does your function have a positive or negative slope? Why?
      

What is the relationship between your input and output?            

JOKERdps  Jun 7, 2017
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1+0 Answers

 #1
avatar+4790 
+1

Are there any requirements or guidelines that the function has to have?

If there aren't any, here's a simple one....

 

function:      y = (4/5)x         , x ≥ 0

 

real life situation:     It costs $4.00 to buy 5 apples. What is the price for any number of apples ?

 

x (input)    =   number of apples

 

y (output)  =   total price

 

table:         

___x,__ number of apples___ ___y,__ price in dollars___     
1 0.80
2 1.60
3 2.40
4 3.20
5 4.00

 

graph:    http://www.desmos.com/calculator/qsmzdsxcsu

 

domain: all real numbers ≥ 0

 

range:  all real numbers ≥ 0

 

Does your function have a positive or negative slope? Why?

It has a positive slope because the more apples you buy, the higher the price.
      

What is the relationship between your input and output?

y is directly proportional to x.

hectictar  Jun 7, 2017

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