Suppose a differentiable function is defined on with tangent slopes given by ,

MATHEMATICS · Subjective · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

Problem

Suppose a differentiable function rr is defined on [0,6][0,6] with tangent slopes given by r′(1)=1r'(1)=1, r′(3)=2.5r'(3)=2.5, and r′(5)=3r'(5)=3. The line joining the points (0,r(0))(0,r(0)) and (6,r(6))(6,r(6)) has slope 22. Determine whether there are at least two distinct numbers cc in (0,6)(0,6) where r′(c)=2r'(c)=2. Answer Yes or No and justify briefly using the provided slope information.

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