Diketahui g(x-2) = 2x + 7 dan (h o g) (x) = 4x2 + 44x + 1. Nilai h(10) ????
Matematika
Tomtom
Pertanyaan
Diketahui g(x-2) = 2x + 7 dan (h o g) (x) = 4x2 + 44x + 1. Nilai h(10) ????
1 Jawaban
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1. Jawaban udink
g(x-2) = 2(x-2) + 11
maka g(x) = 2x+11
h(10) berarti g(x)=2x+11=10 ===>x=-1/2
maka h(g(x))= 4x^2 + 44x + 1 dimana h(10) = h(g(-1/2))
h(g(-1/2))= 4 (-1/2)^2 + 44 (-1/2) + 1
= 1-22+1
=-20
Jadi h(10) = -20