dik ; f(x) = 2x-5 g(x)=4x+5 tent (fog)-1(x)
Matematika
dindathanti
Pertanyaan
dik ; f(x) = 2x-5
g(x)=4x+5
tent (fog)-1(x)
g(x)=4x+5
tent (fog)-1(x)
1 Jawaban
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1. Jawaban 18Navillera
(fog)(x) = 2(4x+5)-5
(fog)(x) = 8x + 10 - 5
(fog)(x) = 8x + 5
y = 8x + 5
8x = y - 5
x = (y-5)/8
(fog)^-1(x) = (x-5)/8