Question

Y=10/x+7-5 graph the function. State the domain and range

Answer 1

$\begin{gathered} y=\frac{10}{x+7}-5 \\ x+7=0 \\ x=-7 \\ \text{Domain=}\lbrace x\in\mathfrak{\Re }|x\ne-7\rbrace\text{ } \\ \text{Range = (-}\infty,\infty\text{)=all real numbers} \end{gathered}$