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).
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Try writing the set as an XY table|dw:1443666010013:dw|
i've done that it's just trying to find the function that fits all the numbers is difficult.
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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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