Q.
[tex] \tt \: f(y) = 3(y) \times {y}^{2} + y(y) \\ \tt \: f(9) = ........ \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
✏ RULES :
➠ pakai cara
➠ no ngasal
➠ rapi
Nt : mau genapin poin ;-;
[tex] \tt \: f(y) = 3(y) \times {y}^{2} + y(y) \\ \tt \: f(9) = ........ \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
✏ RULES :
➠ pakai cara
➠ no ngasal
➠ rapi
Nt : mau genapin poin ;-;
Jawaban:
1.809
Penjelasan dengan langkah-langkah:
f(y) = 3(y) x y² + y(y)
f(9) = 3(9) x 8² + 9(9)
f(9) = 27 x 64 + 81
f(9) = 1.728 + 81
f(9) = 1.809
f(y) = 3(y) × y² + y(y)
f(9) = 3(9) × 9² + 9(9)
f(9) = (3 × 9) × (9 × 9) + (9 × 9)
f(9) = 27 × 81 + 81
f(9) = 2.187 + 81
f(9) = 2.268