IMathAS-libretexts

Match each interval with the correct set builder expression by selecting a letter from each drop down selector.

$\displaystyle {\left(-\infty,+\infty\right)}$
$\displaystyle {\left(-\infty,{b}\right]}$
$\displaystyle {\left[{a},{b}\right]}$
$\displaystyle {\left(-\infty,{b}\right)}$
$\displaystyle {\left({a},{b}\right)}$
$\displaystyle {\left[{a},+\infty\right)}$
$\displaystyle {\left[{a},{b}\right)}$
$\displaystyle {\left({a},{b}\right]}$
$\displaystyle {\left({a},+\infty\right)}$

$\displaystyle {\left\lbrace{x}{\mid}{x}\in\mathbb{R}\right\rbrace}$
$\displaystyle {\left\lbrace{x}{\mid}{x}\le{b}\right\rbrace}$
$\displaystyle {\left\lbrace{x}{\mid}{x}<{b}\right\rbrace}$
$\displaystyle {\left\lbrace{x}{\mid}{a}<{x}<{b}\right\rbrace}$
$\displaystyle {\left\lbrace{x}{\mid}{a}<{x}\right\rbrace}$
$\displaystyle {\left\lbrace{x}{\mid}{a}<{x}\le{b}\right\rbrace}$
$\displaystyle {\left\lbrace{x}{\mid}{a}\le{x}\right\rbrace}$
$\displaystyle {\left\lbrace{x}{\mid}{a}\le{x}\le{b}\right\rbrace}$
$\displaystyle {\left\lbrace{x}{\mid}{a}\le{x}<{b}\right\rbrace}$