Posted by Anonymous on Friday, November 30, 2012 at 12:32pm.
Online "^" is used to indicate and exponent, e.g., x^2 = x squared.
f(a) = (6-4a^2)/a
Substitute 2 for a and solve.
f(a) = (6-4*2^2)/2
I'll let you do the calculations.
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