sendo a uma constante real. Sabendo que f(1)=3/4, determine o valor de f(3).
f(x)=a.2^x
f(1)=a.2=3/4
2a=3/4
a=3/8
f(3)=3/8.2^3
f(3)=3/8.8=3
f(3)=3
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f(x)=a.2^x
f(1)=a.2=3/4
2a=3/4
a=3/8
f(3)=3/8.2^3
f(3)=3/8.8=3
f(3)=3