Answer:
<h2>Arrow function expression var arrowMultiplyBy2 = num => num * 2; If the function takes in only one argument, then the parenthesis around the parameter can be omitted as shown in the code above. ... Code 1 - Output in the following order: undefined 42. </h2>
Explanation:
I believe the answer might be addresses
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-31 or 21- 50 it may also carry -31
Declaring is creating the function. This means that it is initiated but not running. when you run it that means it is activated and taking affect