Local and Absolute Extrema

Local and absolute extrema are fundamental concepts in mathematical analysis, playing a pivotal role in understanding the behavior of functions. Local extrema, points where a function reaches a maximum or minimum within a specific interval, provide insights into the function's immediate surroundings. On the other hand, absolute extrema represent the global maximum or minimum values of a function over its entire domain. These concepts are indispensable in calculus, aiding in critical decision-making processes and optimizing various real-world applications. As we explore local and absolute extrema, we unravel the intricate relationships between functions and their extremal points.

Questions
  • Over the x-value interval #[−10,10]#, what are the absolute extrema of #f(x)=x^2#?
  • How do I find the extrema of a function?
  • How do I find the absolute maximum and minimum of a function?
  • What is a sample extrema problem?
  • How are critical points related to local and absolute extrema?
  • What is a saddle point?
  • Over the x-value interval #[-10, 10]#, what are the local extrema of #f(x) = x^3#?
  • How do I find the stretches of a transformed function?
  • How do you determine the interval(s) over which #f(x)# is increasing, decreasing, constant, concave up, concave down? What are the zeroes of #f(x)#? For what values of #f(x)# discontinuous?
  • Over the x-value interval #[−10,10]#, what are the local extrema of #f(x)=x^2#?
  • How do you find the removable discontinuities of #f(x ) = \frac { x ^ { 2} - 36} { x ^ { 3} - 36x }#?
  • Is it true that any even function has either a maximum value or a minimum value?
  • Let say #a>0# and #b>0#. How to find #delta>0# so that every #x# that satisfy #|x|<delta# then #-a<x<b# ?
  • What is the maximum value of #f(x) = -3x^2-6x#?
  • On what interval(s) is the function #f(x)=5/x+58# increasing?