Question

Qual o domínio da função f(x)= 7/2x-10

Answer 1

Olá.

$f(x)= \frac{7}{2x-10} \\ \\ 2x-10 \ \textgreater \ 0 \\ 2x\ \textgreater \ 10 \\ x\ \textgreater \ \frac{10}{2} \\ \\ x\ \textgreater \ 5 \\ \\ \boxed{D= ( x\in R~| ~x\ \textgreater \ 5)}$