IM 8.5.4 Practice: Tables, Equations, and Graphs of Functions
The graph and the table show the high temperatures in a city over a 10-day period.
What was the high temperature on Day 7?
On which days was the high temperature 61 degrees?
Is the high temperature a function of the day? Explain how you know.
Is the day a function of the high temperature? Explain how you know.
The amount Lin’s sister earns at her part-time job is proportional to the number of hours she works. She earns $9.60 per hour.
Write an equation in the form to describe this situation, where represents the hours she works and represents the dollars she earns.
Is a function of ? Explain how you know.
Write an equation describing as a function of .