A$3[10]$ A method named searchByAbsolute$(...)$ to search for a key in a double array.

Input: The array $($double $[]),$ the key $($double$).$

Output$/$Return: The $($last$)$ index of the key if it is found $($Note there can be multiple instances of the key$).$ If the key is not found, return the $($last$)$ index of the element having its absolute value closest to the absolute value of the key