Carson bought a coat for 40% of the original price, then another 15% off the discounted price. If the coat originally cost $149,
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Check the picture below.
notice that if we run the "vertical line test", the green vertical line there, touches the graph more than once, and for a function, it has to touch it only once, so no dice.
notice that if we run the "vertical line test", the green vertical line there, touches the graph more than once, and for a function, it has to touch it only once, so no dice.
