Jawab:
fungsi komposisi dan fungsi invers
Penjelasan dengan langkah-langkah:
f(x) = x - 1 --> f⁻¹ (x) = x + 1
g(x) = x + 3 --> g⁻¹ (x) = x - 3
a) {g⁻¹ o f} (x) = g⁻¹ { f(x)} = g⁻¹ (x - 1)
{g⁻¹ o f} (x) = ( x - 1) - 3 = x - 4
b) { f⁻¹ o g}(x) = f⁻¹ { g(x) } = f⁻¹ (x + 3)
{ f⁻¹ og }(x) = (x + 3) + 1 = x + 4
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Jawab:
fungsi komposisi dan fungsi invers
Penjelasan dengan langkah-langkah:
f(x) = x - 1 --> f⁻¹ (x) = x + 1
g(x) = x + 3 --> g⁻¹ (x) = x - 3
a) {g⁻¹ o f} (x) = g⁻¹ { f(x)} = g⁻¹ (x - 1)
{g⁻¹ o f} (x) = ( x - 1) - 3 = x - 4
b) { f⁻¹ o g}(x) = f⁻¹ { g(x) } = f⁻¹ (x + 3)
{ f⁻¹ og }(x) = (x + 3) + 1 = x + 4