Explain why the arithmetic sequence: 1,14,27,40 contains many terms of the form etc where only digit two appears. how many 2's appear in the sequence? (the nth term rule is 13n-12)

Amanufacturing company produces engines for light aircraft. the graph shows the number of engines produced each year since the company started operations. the data plot can be represented by the function . based on the scatter plot, we can predict that in the ninth year, the company will produce engines.