Try Out Matematika IPA 2019
Soal dan Pembahasan Try Out Matematika IPA 2019
Jawaban Try Out Matematika IPA 2019
8. Diketahui f(x) = x2 + 1 dan g(x) = 2x + 3 maka (f o g)(x) = ...
A. 4x2 + 12x - 10
B. - 4x2 + 12x + 10
C. 4x2 + 12x + 10
D. - 4x2 + 12x - 10
E. 4x2 - 12x - 10
Jawaban : C
(f o g)(x) = f ( g(x) ) = (2x + 3)2 + 1
f ( g(x) ) = 4x2 + 12x + 9 + 1
f ( g(x) ) = 4x2 + 12x + 10
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