Pauline's cell phone bill is $39.99 a month for a fixed amount of minutes. for any minute she goes over the allowed amount, she is charged $0.50 per minute. the equation represents her phone bill, where y is the total bill and x is the number of minutes. which variable is the independent variable? a. x b. y c. there is no relationship between the variables.

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.