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Y= 4x^2-8x+9

find the vertex, domain, and range.

User Dlumpp
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1 Answer

3 votes

Answer:

Vertex: (4,41)

Explanation:

You have to use the formula ax^2 + bx + c. Then you have to do a = 4 b = -8 c = 9. Then input the values to the equation -b/2a . I feel like this is how. Im not sure how to find the domain and range though i forgot sorry

User Terrylee
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