3 / 10 75% + H 7) For which x E R is a polynomial function continuous? For which x E R is a rational function continuous? 2 points 8) Graph three examples of a function f(x) that is not continuous at x = 3 for three different reasons. 3 points Concept Questions - Derivatives ( 6 Given a function fand a point x = c in its domain, what does the derivative f '(c) mean? 2 points If f is continuous at x = c, must f be differentiable at c? Explain or give a counterexample. 2 points 1 1) Explain why it is not practical to calculate- (2x + x)'* by first expanding (2x + x) * and show what we can do instead: 12) True or false? 2 points - P(Q ( x) ) = P"( x ) Q ' ( x ) If false, write the correct equation