If z (t) = 2t²+7t-4, find z (-3) and z (4).

A) z (-3) = - 43; z (4) = 56

B) z (-3) = - 7; z (4) = 56

C) z (-3) = 21; z (4) = 35

D) z (-3) = 11; z (4) = 88

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