Beth uses the expression 4(2l - 2) - 1 to determine how much profit she will make after selling any given number of lamps (l). I
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Answer:
0.6
Step-by-step explanation:
The x increases by 5, while y increases by 3
Lets use the method, which is .
Keep in mind that x goes horizontally along the axis, while y goes vertically on the axis.
So plug the numbers in.
0.6
Hence, the constant proportionality is 0.6.