Which statement best describes the effect on the graph of y = (x - 9)^2 if the equation is changed to y = (x + 9)^2?
O The graph moves up 18 units.
O The graph moves down 18 units.
O The graph moves left 18 units.
O The graph moves right 18 units.

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Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655