Answer:
let's see what to do buddy...
Step-by-step explanation:
To find the output of a number in a function, we must put it in the equation of the function instead of the <em><u>x</u></em> .
So to find output of ( x = 4 ) , we must put 4 instead of <em><u>x</u></em> in the equation .
Let's do it :

So the output number of ( x = 4 ) is <em><u>2</u></em><em><u>3</u></em> .
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And we're done.
Thanks for watching buddy good luck.
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