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Mathematics 15 Online
OpenStudy (anonymous):

help me with 1 question for a medal and i will fan you and write you a testimonial.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

OpenStudy (anonymous):

\[f(2)=1,f(4)=0,f(6)=-1\]

OpenStudy (anonymous):

will you explain

OpenStudy (anonymous):

You want to find the slope of the line which is (change y)/(change x) which is -1/2. Then plug into one of the points to find x-intercept which is 2. So it's y=-1/2x + 2

OpenStudy (anonymous):

the function sends the first coordinate, the \(x\) value, to the \(y\) coordinate

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