Question 5 of 10 Suppose that y = f(x) = 2x, x > 0. Find a c> 0 such that the tangent line to the curve y= f(x)at x= c has the same slope as the tangent line to the curve y= f(x) at x= c. You get: A. c = B. C = C. c = (3) 1/3 D. c = ()2/3 E. c = () 1/3