keather58 keather58

24-11-2017
Mathematics

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Write a linear function f with the values f(-1)=8 and f(5)=6

A function is f(x)=__

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tynollette tynollette

24-11-2017

find the slope: m=(6-8)/[5-(-1)]=-1/3
y=-1/3 x+b
find b: 8=-1/3 *(-1)+b =>b=23/3
so the equation is f(x)= -1/3 x + 23/3

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