Materi : Invers Fungsi
y = ( 3x - 18 )/3
3y = 3x - 18
y = x - 6
- x = - y - 6
x = y + 6
f-¹(x) = x + 6
Semoga bisa membantu
f(x)=(3x-18)/3
f-¹(x)= x + 6
f(x) = (3x-18)/3
3a = 3x - 18
3a = ( 3x ÷ 3 ) - ( 18 ÷ 3 )
a = x - 6
-(x) = -a + ( -6 )
-(x) = -a - 6
x = ( -a - 6 ) ÷ ( -1 )
x = a + 6
f-¹ ( x ) = x + 6
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Materi : Invers Fungsi
y = ( 3x - 18 )/3
3y = 3x - 18
y = x - 6
- x = - y - 6
x = y + 6
f-¹(x) = x + 6
Semoga bisa membantu
f(x)=(3x-18)/3
f-¹(x)= x + 6
Penyelesaian :
f(x) = (3x-18)/3
3a = 3x - 18
3a = ( 3x ÷ 3 ) - ( 18 ÷ 3 )
a = x - 6
-(x) = -a + ( -6 )
-(x) = -a - 6
x = ( -a - 6 ) ÷ ( -1 )
x = a + 6
f-¹ ( x ) = x + 6