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Suppose f(x) is a function that has this property: For all real numbers a and b such that \(a , the portion of the graph of y=f(x) between x=a and x=b lies below the line segment whose endpoints are (a,f(a)) and (b,f(b)). (A function with this property is called strictly~convex.) Given that f(x) passes through (2,5) and (2,9), what is the range of all possible values for f(1)? Express your answer in interval notation.

 Apr 9, 2020
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The range of all possible values of f(1) is (-4,3).

 Apr 9, 2020

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