This table shows the input and output values for a linear function f(x).

what are the differences of outputs for any two inputs that are 1 apart?

1.) −30

2.) −25

3.) 1

4.) 20

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?