Maths-
General
Easy

Question

If f to the power of 1 end exponent open parentheses a close parentheses greater than 0 then f(x) is

  1. decreasing at blank x equals a    
  2. increasing at blank x equals a    
  3. stationary at blank x equals a    
  4. None of these    

The correct answer is: increasing at blank x equals a


    i n c r e a sin g space a t space space x space equals space a space comma space i s space t h e space c o r r e c t space c h o i c e
g i v e n space f apostrophe left parenthesis a right parenthesis space greater than space 0
t h e n space s l o p e space o f space tan g e n t space a t space left parenthesis a comma space f left parenthesis a right parenthesis right parenthesis space i s space p o s i t i v e space
s o space t h e space f u n c t i o n space f left parenthesis x right parenthesis space i n c r e a s e s space a t space x space equals a space

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