Sumalee won 40 super bouncy balls playing horseshoes at her school’s game night. Later, she gave 2 to each of her friends. She o
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Here, y is a cubic function of x.
When x = 3,
Hence, when x = 3, y = 126.
If she works 40 hours or less then she earns 20x dollars.
If she works more than 40 hours, then she earns 20×40 dollars for the first 40 hours and 30×(x-40) dollars for <span>every hour over 40 hours. The number of hours over 40 hours is x-40.</span>
If she works more than 40 hours, then she earns 20×40 dollars for the first 40 hours and 30×(x-40) dollars for <span>every hour over 40 hours. The number of hours over 40 hours is x-40.</span>