Penjelasan dengan langkah-langkah:
( f o g )(x) = 10 (x² + 2x - 1) - 1
= 10x² + 20x - 10 - 1
= 10x² + 20x - 11
( f o g )(1) = 10.1² + 20.1 - 11
= 10 + 20 - 11
= 30 - 11
= 19 ( c )
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Penjelasan dengan langkah-langkah:
( f o g )(x) = 10 (x² + 2x - 1) - 1
= 10x² + 20x - 10 - 1
= 10x² + 20x - 11
( f o g )(1) = 10.1² + 20.1 - 11
= 10 + 20 - 11
= 30 - 11
= 19 ( c )