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Here is the graph of quadratic function
Andre uses the expression
Noah uses the expression
Do you agree with either of them? Explain your reasoning.
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Here are the graphs of
Three parabolas in x y plane, origin O. X axis negative 10 to 4, by 2’s. Y axis negative 12 to 12, by 4s. First parabola labeled y equals x squared opens upward with vertex at the origin. Second parabola labeled y equals x squared minus 5 opens upward with a vertex at 0 comma negative 5. Third parabola labeled y equals open parenthesis, x plus 2, end parenthesis, squared, minus 8 opens upward with a vertex at negative 2 comma negative 8.
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Kiran bought a smoothie every day for a week. Smoothies cost $3 each. The amount of money he spends, in dollars, is a function of the number of days of buying smoothies.
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