Jika fungsi f(x)=x−2f\left(x\right)=x-2f(x)=x−2, g(x)=x+5g\left(x\right)=x+5g(x)=x+5 dan (f+g)(a)=5(f+g)\left(a\right)=5(f+g)(a)=5, maka nilai (fg)(a)(\frac{f}{g})(a)(gf)(a) adalah ....
310\frac{3}{10}103
−310-\frac{3}{10}−103
16\frac{1}{6}61
−16-\frac{1}{6}−61
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