2. Ryan is writing the program for a video game. For one part of the game he uses the rule (x, y)→(x-3,y+8) to move points on the screen.
(a) What output does the rule give when the input is (-7,-3)? Show your work.
(b) What output does the rule give when the input is (10,-5)? Show your work.

Use this data in the problem below. follow the steps carefully. round to the nearest tenth. lot 3: week 1: 345 week 2: 340 week 3: 400 week 4: 325 step 1. jim enters the data and calculates the average or mean. step 2. jim calculates the deviation from the mean by subtracting the mean from each value. step 3. jim squares each deviation to remove negative signs. step 4. jim sums the squares of each deviation and divides by the count for the variance. step 5. jim takes the square root of the variance to find the standard deviation.

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?