Respuesta :

antonio9990
[tex]\displaystyle{ f(x)= \frac{3}{4x} -5 } \\\\ f(16)=? \\\\ --------- \\ \\f(16)= \frac{3}{4 \cdot16} -5 = \\ \\ \frac{3}{64} -5^{(64} = \\ \\ \frac{3}{64} - \frac{320}{64}= -\frac{317}{64} =-4.95[/tex]