What does the following method do?

public static int mystery(double[] a, double x)

{ int c = 0;

for (int i = 0; i < a.length; i++)

{ if (a[i] != x)

{

c++;

}

}

return c;

}

• Returns a count of the number of elements in the array.

• Returns a count of the number of times x appears in the array

• Returns a count of the number of positive elements in the array

• Returns a count of the number of times x does NOT appear in the array.

• Returns the sum of the values in the array.