Question 858648
{{{drawing(300,300,-1,5,-1,5,grid(1),circle(1,4,0.2),graph(300,300,-1,5,-1,5,2^(x+1)))}}}
{{{highlight(x>1)}}}
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{{{drawing(300,300,-1,9,-20,280,grid(1),circle(7,2^8,0.2),graph(300,300,-1,9,-20,280,2^(x+1)))}}}
{{{highlight(x<7)}}}
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{{{1<x<7}}}