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For the Quadratic Function, Tell Whether the Graph Opens Up f(x)=x2f(x)=x^{2}

Question 143

Multiple Choice

For the quadratic function, tell whether the graph opens up or down and whether the graph is wider, narrower, or the same shape as the graph of f(x) =x2f(x) =x^{2} .
- f(x) =−x2−18f(x) =-x^{2}-18


A) Down; same
B) Down; narrower
C) Up; same
D) Up; narrower

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