Pertanyaan

Jika f o g ( x ) = 3 x 2 − 4 x − 5 dan f ( x ) = 2 x maka g ( x ) = ....

Jika $f o g (x) = 3 x^{2} - 4 x - 5$ dan $f (x) = \frac{x}{2}$ maka $g (x) =$ ....

Ikuti Tryout SNBT & Menangkan E-Wallet 100rb

Habis dalam

Klaim

N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

$f o g open parentheses x close parentheses equals 3 x squared minus 4 x minus 5 space ⟺ f open parentheses g open parentheses x close parentheses close parentheses equals 3 x squared minus 4 x minus 5 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space ⟺ fraction numerator g open parentheses x close parentheses over denominator 2 end fraction equals 3 x squared minus 4 x minus 5 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space ⟺ g open parentheses x close parentheses equals 2 open parentheses 3 x squared minus 4 x minus 5 close parentheses space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space ⟺ g open parentheses x close parentheses equals 6 x squared minus 8 x minus 10$