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1 151 WebCalc Fall 2002-copyright Joe Kahlig In Class Questions MATH 151-Fall 02 1. What is the definition of one to one, 1-1? 2. Is y = (x − 1)8 1-1? If not, could it be made to be 1-1? 3. Show that y = 3x + 7 is one to one and then find the inverse. x+5 4. Derive the formula for taking the derivative of an inverse function at x = a. 5. If g(x) is the inverse of f (x), find the indicated derivative. (a) g0 (3) if f (x) = 5 + 2x + e2x+3 x−2 (b) g0 (−3) if f (x) = x+2 (c) g0 (9) if f (10) = 9, f (9) = 3, f 0 (9) = 7, and f 0 (10) = 4 October 24