If x is an odd integer, which of the following is an odd integer?  Choose the correct choice from the following choices.
A) 2x
B) 3x-1
C) 5x+6
D) x+x^2
E) 6x-6
Plug in an odd integer; in this case 3   (2*3)= 
<gadget id="calculator">(2*3)</gadget>
<output>6</output>
6 Even     (3*3)-1= 
<gadget id="calculator">  (3*3)-1</gadget>
<output>8</output>
8 Even   (5*3)+6= 15 + 6= 
<gadget id="calculator">15 + 6</gadget>
<output>21</output>
21 Odd   3+3^2= 3 + 9= 
<gadget id="calculator">3 + 9</gadget>
<output>12</output>
12 Even   (6*3)-6= 18 - 6= 
<gadget id="calculator">18 - 6</gadget>
<output>12</output>
12 Even   Answer: 5x+6
<result>C</result>
If x is an odd integer, which of the following is an odd integer?