Mathematics
Grade10
Easy

Question

Find a function g left parenthesis x right parenthesis that is the reflection of the graph of f left parenthesis x right parenthesis equals 5 x across the x minus a x i s

  1. negative x
  2. 5 minus x
  3. 5 plus x
  4. negative 5 x

The correct answer is: negative 5 x


    Here g left parenthesis x right parenthesis equals negative 1 f left parenthesis x right parenthesis equals negative 1 cross times 5 x equals negative 5 x
    So, g left parenthesis x right parenthesis equals negative 5 x is the reflection of f left parenthesis x right parenthesis across the x text  - axis.  end text

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