Jawab:
Penjelasan dengan langkah-langkah:
fungsi
soal
f(x) = 3 -2 x
2x = 3 - f(x)
x = ¹/₂ ( 3 - f(x))
f⁻¹ (x) = ¹/₂ ( 3 - x)
f⁻¹(2)= x
f(x)= 2
3-2x = 2
2x= 1
x= 1/2
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Jawab:
Penjelasan dengan langkah-langkah:
fungsi
soal
f(x) = 3 -2 x
2x = 3 - f(x)
x = ¹/₂ ( 3 - f(x))
f⁻¹ (x) = ¹/₂ ( 3 - x)
f⁻¹(2)= x
f(x)= 2
3-2x = 2
2x= 1
x= 1/2