Mathematics
Grade10
Easy

Question

Find the minimum value of g left parenthesis x right parenthesis equals root index 8 of x minus 2 end root text  for  end text minus 6 less or equal than x less or equal than 1.

  1. -1
  2. 0
  3. 1
  4. 4

hintHint:

A function in maths is a special relationship among the inputs (i.e. the domain) and their outputs (known as the codomain) where each input has exactly one output and the output can be traced back to its input. 

The correct answer is: -1


    g left parenthesis 1 right parenthesis equals cube root of 1 minus 2 end root equals cube root of negative 1 end root equals negative 1
    So, the maximum value of g(x) is -1.

    The minimum and maximum of a function are also called extreme points or extreme values of the function. 

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