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Suppose f is a twice differentiable function such that f′(x)>0 and f′′(x)<0 everywhere, and consider the...

Suppose f is a twice differentiable function such that f′(x)>0 and f′′(x)<0 everywhere, and consider the following data table.

x      0       1       2

f(x)   3       A       B

For each part below, determine whether the given values of A and B are possible (i.e., consistent with the information about f′and f′′ given above) or impossible, and explain your answer.

a)A= 5, B= 6

(b)A= 5, B= 8

(c)A= 6, B= 6

(d)A= 6, B= 6.1

(e)A= 6, B= 9

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