g(x) = -x² + 3x - 10
g(-3) = -(-3)² + 3(-3) - 10
= -9 + (-9) - 10
= -18 - 10 = -28
Jadi,g(-3) = - 28
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g(x) = -x² + 3x - 10
g(-3) = -(-3)² + 3(-3) - 10
= -9 + (-9) - 10
= -18 - 10 = -28
Jadi,g(-3) = - 28