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    Mathematics
    Grade10
    Easy

    Question

    For the following description, write the function in the form g(x) = aIxI. Range is y less or equal than 0; passes through (-1, -4)

    1. g(x) = -4IxI    
    2. g(x) = 4IxI    
    3. g(x) = open parentheses 1 fourth close parenthesesIxI    
    4. g(x) = open parentheses fraction numerator negative 1 over denominator 4 end fraction close parenthesesIxI    

    hintHint:

    We simply plug in the values of x and validate the magnitude of the points. Furthermore, we equate the value of y with the given condition to find out the value of a and get the actual equation.

    The correct answer is: g(x) = -4IxI

      Step 1 of 2:
      x = -1
      g(x) = aI(-1)I = a
      Step 2 of 2:
      For x = -1, g(x) = -4.
      So, a = -4.
      Function: g(x) = -4IxI
      Final Answer:
      The right choice is-- D. g(x) = -4IxI

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