Jawaban:
fog-¹(x) = ?
y(8x + 7) = 6x + 1
8xy + 7y = 6x + 1
8xy - 6x = 1 - 7y
x(8y - 6) = 1 - 7y
fog-¹(x) = 1 - 7x/ 8x - 6
fog-¹(4) = 1 - 28/32 - 6
fog-¹(4) = -27/26
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Jawaban:
fog-¹(x) = ?
y(8x + 7) = 6x + 1
8xy + 7y = 6x + 1
8xy - 6x = 1 - 7y
x(8y - 6) = 1 - 7y
fog-¹(x) = 1 - 7x/ 8x - 6
fog-¹(4) = 1 - 28/32 - 6
fog-¹(4) = -27/26