1.

Find point c between [2,9] where, the slope of tangent to the function f(x)=1+ ( sqrt[3]{x-1} ) at point c is equals to the slope of a line joining point (2,f(2)) and (9,f(9)).
(Providing given function is continuous and differentiable in given interval).

A. -2.54
B. 4.56
C. 4.0
D. 4.9
Answer» C. 4.0


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