Examine the following code: let x = mult(2)(10); console.log(x); // -> 20 What should the mult function declaration look like if the execution of this code results in a value of 20 in the console?

let x = mult(2)(10);
console.log(x); // -> 20

What should the mult function declaration look like if the execution of this code results in a value of 20 in the console?

• let mult = function (a, b) {
      return b ? mult(b) : mult(a);
  }

• let mult = function (a, b) {
      return a * b;
  }

• let mult = function (a) {
      return function (b) {
          return a * b;
      }
  }

• There is an error in the code and it is not possible to declare such a function correctly.

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