SOLUTION: Please explain how this works I need to find the domain of the fucntion K defined by: {{{ K(t) = ( sqrt(4-t)+ln(t+7)-6/(t^2)) }}} Must be in interval form Thank you

Algebra ->  Functions -> SOLUTION: Please explain how this works I need to find the domain of the fucntion K defined by: {{{ K(t) = ( sqrt(4-t)+ln(t+7)-6/(t^2)) }}} Must be in interval form Thank you      Log On