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The quadratic regression model is appropriate when the slope,capturing the influence of x on y,changes in magnitude as well as sign.
Tomatoes
A red or yellowish fruit with a juicy pulp, used as a vegetable in cooking or eaten raw.
Substitutes
Products or services that can be used in place of each other, affecting demand when prices change.
Hot Dogs
A sausage that's been grilled or steamed, typically nestled within a sliced roll, forming a sandwich.
Hamburgers
A popular food item consisting of a cooked patty of ground meat, usually beef, placed inside a sliced bread bun.
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