A 12-ounce bottle of shampoo costs $4.20. a 16-ounce bottle costs $6.88. which shampoo costs less per ounce? how do you know
1 answer:
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When the function goes 1 to the right, it goes 2 down. Therefore the direction of the function is
Hence, the function represented is
y = -2x
Hence, the function represented is
y = -2x