Because they make 4 dollars for every book sold, a representative equation would be:
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∆ABC and ∆ADE are similar triangles.
Thus ;

So :


Inverse both sides


Multiply sides by 5


Thus ;


Done...
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Answer:
the would be m=4
Step-by-step explanation:
Yes it is a function because there are not any repeating x values ( first number in each set of parentheses)