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The function g is defined by g(x)= 3x2 - 3. Find g(3z).
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5 votes
The function g is defined by g(x)= 3x2 - 3.
Find g(3z).

User Oleg Kazakov
by
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1 Answer

8 votes
=3(3z)2-3
=3(9z2)-3
=27z^2-3
=3(9z^2-1)
=3(3z+1)(3z-1)
User Ulquiomaru
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