As we have discussed, linear functions do not follow the rules of proportionality, but they act similar. Let's take a look at some linear functions and find how they are changing.
What is the linear function above changing by?
What is the linear function above changing by?
We can find how the function is changing by comparing changes between coordinates.
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What is the Rate of Change in the linear function above?
What is the rate of change in the linear function above?