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Using the completing-the-square method, find the vertex of the function f(x) = 2x2 − 8x + 6 and indicate whether it is a minimum or a maximum and at what point. maximum at (2, –2) minimum at (2, –2) maximum at (2, 6) minimum at (2, 6)

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?