# SOLUTION: Write a function that represents the data set (-4, 9), (0, 1), (1, -1), (3, -5), (4, -7).

Algebra ->  Algebra  -> Distributive-associative-commutative-properties -> SOLUTION: Write a function that represents the data set (-4, 9), (0, 1), (1, -1), (3, -5), (4, -7).      Log On

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 Question 160420This question is from textbook saxon algebra 2 : Write a function that represents the data set (-4, 9), (0, 1), (1, -1), (3, -5), (4, -7).This question is from textbook saxon algebra 2 Answer by ankor@dixie-net.com(15650)   (Show Source): You can put this solution on YOUR website!Write a function that represents the data set (-4, 9), (0, 1), (1, -1), (3, -5), (4, -7). Assuming this is linear, use the 1st and last coordinates to find the slope: x1=-4; y1=9 x2=+4; y2=-7 : The slope formula: m = Find the slope: m = = m = : m = = -2 : Use the slope intercept formula: y - y1 = m(x - x1) y - 9 = -2(x - (-4)) : y - 9 = -2(x + 4) : y - 9 = -2x - 8 : y = -2x - 8 + 9 : y = -2x + 1 or f(x) = -2x + 1 : You can check and see if this fits the data set