Change the checkingaccount class in how to 9.1 so that a $1 fee is levied for deposits or withdrawals in excess of three free monthly transactions. place the code for computing the fee into the method levyfees() that you call from the deposit and withdraw methods. remember to copy the code for the bankaccount class in how to 9.1 into bankaccount. java for your submission.

The following function returns a string of length n whose characters are all 'x'. give the order of growth (as a function of n) of the running time. recall that concatenating two strings in java takes time proportional to the sum of their lengths. public static string f(int n) { if (n == 0) return ""; if (n == 1) return "x"; return f(n/2) + f(n - n/2); } options: a) constant b) logarithmic c) linear d) linearithmic e)quadratic f)cubic g) exponential

In a compound condition, both conditions on either side of the logical operator and must be true for the overall condition to be true. a: true b: false

Mariah was working on a multimedia presentation that included both video and audio files. the file was huge, and she wanted to send it to her coworker in another office. she needed to reduce the size of the file so that it could be transmitted faster. the utility she used to do this was