Determine the range of the following graph

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Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left