Jawab:
Penjelasan dengan langkah-langkah:
komposisi fungsi
soal
g(x) = x² - x - 51/2
r(g) = 4g - 8
r(g) = 10
4g - 8 = 10
4g = 18
g = 4,5
g(x) = 4,5
x² - x - 51/2 = 4,5 . . . kalikan 2
2x² - 2x - 51 = 9
2x² - 2x - 60 =0
x² - x - 30 =0
(x + 5)(x - 6) =0
x= - 5 atau x = 6
banyak bahan dasar (x) = 6
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Jawab:
Penjelasan dengan langkah-langkah:
komposisi fungsi
soal
g(x) = x² - x - 51/2
r(g) = 4g - 8
r(g) = 10
4g - 8 = 10
4g = 18
g = 4,5
g(x) = x² - x - 51/2
g(x) = 4,5
x² - x - 51/2 = 4,5 . . . kalikan 2
2x² - 2x - 51 = 9
2x² - 2x - 60 =0
x² - x - 30 =0
(x + 5)(x - 6) =0
x= - 5 atau x = 6
banyak bahan dasar (x) = 6