What is the rule for this function? x:1,2,3,4 y:-1,-3,-5,-7?

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What is the rule for this function? x:1,2,3,4 y:-1,-3,-5,-7?

2007-02-27 11:11:38 · 2 answers · asked by matoro97116 1 in Education & Reference ➔ Homework Help

2 answers

You should first make a chart of the input and output values. Then you ask yourself how did I get from x to y? Since the y values are negative, something in the equation has to be negative. The answer is y = -2x + 1 or f(x) = -2x + 1.

2007-02-27 12:05:51 · answer #1 · answered by dpirsq2 5 · 0⤊ 0⤋

y=x-2x

2007-02-27 19:16:54 · answer #2 · answered by Kim L 1 · 0⤊ 0⤋