Sam wanted to know how much the price of milk had changed over the last few decades. He found that the price of a gallon of milk was $0.80 in 1970 and in 1990 it was $1.20.What was the average rate of change in a gallon of milk per year?

What is the value of x in the diagram below?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

Which of these tables represents a non-linear function?