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avatar+191 

Hi everyone, I'll let you know my resulat because Im sure I did it wrong and if someone could give me some of his/her time to help me / explain me the problm I would be grateful! 

 

1. An account executive receives a base salary plus a commission. on $50,000 in montly sales, an account executive would recieve compensation of $3,300. On $70,000 in monthly sales, an account axecutive would receive compensation of $4,100. 

Determine a linear function that predicts compensation of a sales executive ( which we call y ) When he has x in monthly sales. 

 

 

I found : First -0,68 thanks to Y2-Y1 / X2-X1 and then 46700 

 

Is that wrong ? Thankk you for you help ! so much ! 

 
 Oct 30, 2015
 #1
avatar+128474 
+5

We have the points  (50,000, 3300)  and (70,000, 4100)......the slope is given by :

 

[ 4100 - 3300 ] / [ 70,000 - 50,000]  = 1/25  = .04

 

So  using this slope and either of the two points we can write a linear equation.....

 

y - 3300  = .04 (x - 50000 )   simplfy

 

y - 3300 = .04x - 2000      add 3300 to both sides

 

y = .04x + 1300

 

Here's the graph........https://www.desmos.com/calculator/isijxijsgu

 

 

 

cool cool cool

 Oct 30, 2015

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