Sara's telephone service costs $21 per month plus twenty five cents for each local call. last month sara's bill was $35.50. write an equation that relates local calls (l) to the bill b(l). use this equation to find out how many local calls sara made

A.)complete this table by reading the values from the graph. estimate any function values that are less than one. x -3 -2 -1 0 1 2 3 exponential function linear function b.)at approximately what values of x do both the linear and exponential functions have the same value for y?