Q.
f(x) = 30 + 12 - x²
f(3) = . . . .
f(x) = 30 + 12 - x²
f(3) = . . . .
Liziamarcia
Penjelasan dengan langkah-langkah:f(x) = 30 + 12 - x²f(3) = 30 + 12 - 3² = 30 + 12 - 9 = 42 - 9 = 33
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