Pls I need help with this also brainliest!!

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.