Penjelasan dengan langkah-langkah:
Mencari (f o h o g)(x)
Mencari (f o h o g)(-2)
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Penjelasan dengan langkah-langkah:
Penyelesaian :
Mencari (f o h o g)(x)
Mencari (f o h o g)(-2)
Kesimpulan :
(2x + 3)²
= (2x + 3)(2x + 3)
= 4x² + 6x + 6x + 9
= 4x² + 12x + 9
(h o g)(x) = h(2x + 3)
(h o g)(x) = (2x + 3)² + 3(2x + 3) - 2
(h o g)(x) = 4x² + 12x + 9 + 6x + 9 - 2
(h o g)(x) = 4x² + 12x + 6x + 9 + 9 - 2
(h o g)(x) = 4x² + 18x + 18 - 2
(h o g)(x) = 4x² + 18x + 16