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Mathematics 8 Online
OpenStudy (anonymous):

Given F(x) = 3x 2 - 4 and F(a) = 8, find a.

jimthompson5910 (jim_thompson5910):

F(x) = 3x^2 - 4 F(a) = 3a^2 - 4 8 = 3a^2 - 4 Keep going to solve for 'a'

OpenStudy (anonymous):

Oh, okay. Thanks ! I just didn't know how to start it :)

jimthompson5910 (jim_thompson5910):

yw

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