Find f(–2) for the function f(x) = 3x2 – 2x + 7.

Substitute −2 for x in f(x) = 3x² − 2x + 7: f(−2) = 3(−2)² − 2(−2) + 7. Since (−2)² = 4, this becomes 12 + 4 + 7 = 23. The correct choice is D, 23.

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