Posted by Madison on Tuesday, October 9, 2012 at 12:42am.
f(g) = sqrt(4-g) = sqrt(4-(1-3x^2)) = sqrt(3+3x^2)
f(g(2)) = sqrt(3+12) = sqrt(15)
or, g(2) = 1-12 = -11
f(-11) = sqrt(4+11) = sqrt(15)
do g(f) the same way.
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