Posted by Coral on Tuesday, December 11, 2012 at 5:47pm.
If I interpret this right, in each case, just substitute 1/2 for x.
f(1/2) = 8(1/2) = ?
(-2)^2 = 4 Continue on with that.
0^2 = 0
Is the 2x squared (2x)^2 or 2x^2
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