HELP ASAP!! Which representation shows y as a function of x ?

Need solving this second acceleration problem.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?