diketahui fungsi f(x)linear jika fungsi f(3x+2)=6x+10. tentukan f(-5)

Jawab :

f(3x + 2) = 6x + 10
        f(x) = 2(3x + 2) + c
              = 6x + 4 .... + 6

Jadi f(x) = 2x + 6
Nilai f(-5) = 2(-5) + 6
                = -10 + 6
                = -4


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