Zachary purchased a computer for $1,900 on a payment plan. Five months after he purchased the computer, his balance was $1,400. Nine months after he purchased the computer, his balance was $1,000. What is an equation that models the balance y after x months?
The equation models the balance y after x months.

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240

Pls what is the relative minimum of the function? enter your answer in the box