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1.Diketahui fungsi f:x→2x+3, pada himpunan bilangan bulat. Tentukan: e. Nilai f untuk x=2

1.Diketahui fungsi f:x→2x+3, pada himpunan bilangan bulat.
Tentukan:
e. Nilai f untuk x=2

Jawaban yang benar adalah 7

Pembahasan:

Diketahui pada soal fungsi f(x) = 2x + 3
Nilai f() dengan cara mensubsitusikan nilai x = 2 ke fungsi f(x) = 2x + 3
f(x) = 2x + 3
f(2) = 2(2) + 3
f(2) = 4 + 3
f(2) = 7

Jadi, nilai f(2) adalah 7

 

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