AP Calculus Review – Extrema/Graph Sketching 1. Sketch Graph of f(x) = x2/3(3 - 2x1/3) Domain ____________________ Interval(s) of Increase _______________________ Zeroes __________________ Interval(s) of Decrease _______________________ Relative Minima ________________ Interval(s) of Conc. Up ______________________ Relative Maxima ________________ Interval(s) of Conc. Down ____________________ Inflection Point(s)_____________________ 2. Find intervals of increase and decrease for f(x) = x 2 2 x Interval(s) of Increase ______________________ Interval(s) of Decrease ______________________ 3. Find the coordinates of the absolute min and max for f(x) = x lnx on interval (0.1,2] Absolute Maximum _________________ Absolute Minimum _________________ What is the absolute minimum value of the function f(x) = ex x -2 on the interval [1,4] 4. b) e2/4 a) e 5. c) e4/16 d)1 If f(x) is the function that has the first derivative of f ′(x) = e) none of the above x what is the x coordinate of x x 1 3 the inflection point of f(x) a) 1.008 b) 0.473 c) 0 d)-0.278 e) there are no inflection pts 6. The relative minima of the function f(x) = cos2(x) + cos(x) on the interval (0,2π) are located at x = a) π b) 2 π/3, π, 4 π/3 c) 2 π/3, 4 π/3 d)0, π, 2π e)none of the above 7. If f(x) = x3 +ax2 + bx +c and f(1) = -28, x = 4 is a relative minimum, and x=1 is an inflection point, find the values of a and b and c. a = ____________________ b = ___________________ c = ____________________ 8. Find the coordinates all inflection points of f(x) = (x2 – 2)2/3 9. What is the smallest possible slope to the curve y = x3 – 3x2 + 5x -1? 10. Find the value(s) of x = c where the Mean Value Theorem applies to f(x) = tan 1 (3x) on the interval [0, 1/3] . If MVT does not apply explain why not? 11. Find the value(s) of x = c where Rolle’s Theorem applies to f(x) = [-3, 2] . If Rolle’s Theorem does not apply explain why not? is on the interval 12. Find the value(s) of x = c where the Mean Value Theorem applies to f(x) = (2x+5)2/3 on the interval [-3,3 ] . If MVT does not apply explain why not?