anonymous
  • anonymous
I am having problems with functions in math. The question is "Each set of ordered pairs represent a function. Write a rule that represents a function" and the Ordered pairs are (0,2), (1,1), (2,0), (3,-1), (4,-2).
Mathematics
chestercat
  • chestercat
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tacotime
  • tacotime
Try writing the set as an XY table|dw:1443666010013:dw|
anonymous
  • anonymous
i've done that it's just trying to find the function that fits all the numbers is difficult.
Directrix
  • Directrix
The x values begin at 0 and move up by 1. The y values begin at 2 and drop down by 1. So, I tried an expression that would give 2 when x is 0. f(x) = 2 - x That works if x = 0 because f(0) = 2 - 0 = 2

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Directrix
  • Directrix
Keeping the same function f(x) = 2 - x, I put 1 in for x and got f(1) = 2 - 1 = 1. Trying the other x values in the same way, I decided that the rule could be f(x) = 2 - x See what you think. @Darkhornet10

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