Question

dada a função f(x)=2x-4, calcule f(2)+f(3)
          

Answer 1

$f(x)=2x-4\\\\ f(2)=2\cdot2-4\hspace{2.0cm}f(3)=2\cdot3-4\\\\ f(2)=4-4\hspace{2.4cm}f(3)=6-4\\\\ f(2)=0\hspace{3.0cm}f(3)=2\\\\\\ f(2)+f(3)=0+2\\\\ \boxed{f(2)+f(3)=2}$

Answer 2

Resposta:

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