Posted by Joe on Sunday, January 31, 2010 at 7:25pm.
f(0) = 0 is right
f(-1) = 10
f(-1) = 5(-1)^2 - 5(-1)
= 5(1) - (-5)
= 5 + 5
= 10
f(2) = 10
f(2) = 5(2)^2 - 5(2)
= 5(4) - 10
= 20 - 10
= 10
HOPE THIS HELPS!!
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