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Help on numbers 4 and 6 please. Writing a function rule

Help on numbers 4 and 6 please. Writing a function rule-example-1

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This is how I would do it! You can use any coordinates to find the gradient, and you can sub any in for the equation of a line. Try practicing q. 6 by yourself so you can get the hang of it! Let me know if you don’t understand any of the steps :)
Help on numbers 4 and 6 please. Writing a function rule-example-1
User Gabriel Ferrarini
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