Mathematics
Grade10
Easy

Question

Let f left parenthesis x right parenthesis equals x minus 2. Suppose you multiply 3 to the input of the f to create the new function g. Write the equation that represents g?

  1. g(x) = 3x - 6
  2. g(x) = 3x + 6
  3. g(x) = 3x - 2
  4. g(x) = 3x + 2

hintHint:

Put 3x in place of x in the given function.

The correct answer is: g(x) = 3x - 2


    Given That:
                         Let f left parenthesis x right parenthesis equals x minus 2. Suppose you multiply 3 to the input of the f to create the new function g. Write the equation that represents g?
    * Given f left parenthesis x right parenthesis equals x minus 2
    Multiply 3 to the input of the f.
    g left parenthesis x right parenthesis equals f left parenthesis 3 x right parenthesis equals 3 x minus 2
    * So, g left parenthesis x right parenthesis equals 3 x minus 2.
    >>>Therefore, the required function is 3x-2.

    By Substituting 3x in place of x gives 3x-2.

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