Page 79 - LKPD MATEMATIKA WAJIB KELAS X SEMESTER GANJIL(1)
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2. Jika ( ) = dan ( ) = tentukan ( ∘ )( ) dan ( ∘ )( )
−1
Jawab :
a. ( ∘ )( ) = f(g(x))
= ( )
−
…
=
…
b. ( ∘ )( ) = g(f(x))
+
= ( )
…
=
…
3. Diberikan dua buah fungsi masing-masing ( ) = − 1, ( ) = 2 − − 2.
2
Tentukan ( ∘ )( ) ( ∘ )( )
Jawab :
..........................................................................................................................................
..........................................................................................................................................
4. Tentukan nilai a, dengan rumus fungsi ( ) = 3 − 6, ( ) = 2 + dimana
operasi ( ∘ )( ) = ( ∘ )( ).
Jawab :
.....................................................................................................................................
.....................................................................................................................................
5. Jika ( ) = + , tentukan ( ∘ )( ).
Jawab :
.....................................................................................................................................
.....................................................................................................................................
