Find a nonzero value for the constant k that makes the function f left parenthesis a right parenthesis equals open curly brackets table attributes columnalign left end attributes row cell fraction numerator tan space it 1: over denominator in: end fraction com ma space end cell row cell 5 it plus 3 comma space end cell end table close open table attributes columnalign right end attributes row cell 3: less than 0 end cell row cell in: greater or equal than D end cell end table close curlyr brackets continuous at x equals 0