Show an input once value is selected from select dropdown using in-line jQuery

<select name="state" class="form-control" onchange="$('.lawyer').removeClass('hidden').find('input').attr('autofocus',true)">
  <option value="">Select State</option>
  <option>Florida</option>
</select>
                                          
<div class="lawyer hidden">
    <div class="input-group">
        <span class="input-group-addon">$</span>
        <input name="amount" class="form-control" data-mask="000,000" data-mask-reverse="true" />
    </div>                                                    
</div>