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SashulF [63]
3 years ago
11

Only 23 please. And you can get 50 points

Mathematics
1 answer:
borishaifa [10]3 years ago
5 0
<h3>Answer: \large \boldsymbol {} \displaystyle y=-5x-7 \ \  or   \ \  f(x)=-5x-7</h3>

Step-by-step explanation:

  • <em>Having built a graph, we can immediately understand that this is a linear function</em>
  • <em>y=kx+b</em>
  • <em>Having built a graph, we can immediately understand that this is a linear function</em>
  • <em>y=kx+b</em>
  • <em>In order to determine which rule the function follows, it is only enough for us to know the coordinates of only two points, let them be points (-3  ; 8 ) and (-2 ; 3 ) </em>
  • <em>Substitute the values of x and y into an unknown function y=kx+b</em>
  • \displaystyle \large \boldsymbol {} \left \{ {{-3k+b=8} \atop {-2k+b=3 }} \right.=> -k=5=>k=-5   \ \ ;  \ \  b=3+2k=-7

  • <em>Then we get the function : </em>

<em></em>

  • \large \boldsymbol {} \displaystyle y=-5x-7
  • <em> The graph in attached file </em>

<em></em>\large \boldsymbol{}<em></em>

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