CHALLENGE ACTIVITY 3.3.2: Function definition: Double down. This tool is provided by a third party. Though your activity may be recorded a page refresh may be needed to fill the banner. 0/2 3656082898852.0032y7 Function definition: Double down Complete the DoubleDown function to return twice the initialValue. Function Save Reset I MATLAB Documentation NWN 1 function finalvalue = DoubleDown( initialvalue ) 2 % Complete the function to return twice the initialValue finalvalue = 0; 3 4. 5 6 end 7 Code to call your function Reset 1 DoubleDown (5) % Change the input to DoubleDown to test other values