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Mathematics 9 Online
OpenStudy (alli6106):

a.how can the graph for the rule y=2x+1 be used to predict the result for an input (x-value) of 7? How can the graph be used to predict the output( y-value) associated with an input of 3 1/2? b.If you wanted an output of 7 for the rule y=-x+4 what would you need as an input?

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