Assalamualaikum wrwb. mau tanya nihh, jika g(x)=x²-7x +9,tentukan a. g(t³) b. g(x-4)

Bab Fungsi
Matematika SMP Kelas VIII

Walaikumsalam Warohmatullahi Waborakatuh

g(x) = x² - 7x + 9

a] g(t^3)
= (t^3)² - 7 . t^3 + 9
= t^6 - 7t^3 + 9

b] g(x - 4)
= (x - 4)² - 7(x - 4) + 9
= x² - 8x + 16 - 7x + 28 + 9
= x² - 15x + 53