Renee notices that her laptop is decreasing in value over time. she paid  $1,160  for the laptop, and after  4years, she sees that it is worth  $740.find a linear function  v(t)  to model the value of the laptop as a function of  t, where  t  is time in years. give your answer in the form  v(t)=mt+b. do not use a comma in any numbers.