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    Mathematics
    Grade10
    Easy

    Question

    The y - intercept of h open parentheses x close parentheses equals 4 to the power of x plus 2 end exponent is _______.

    1. 0    
    2. 4    
    3. 16    
    4. 7    

    hintHint:

    The value of y - coordinate where x - coordinate is zero is called the y-intercept of the function.

    The correct answer is: 16

      The value of y - coordinate where x - coordinate is zero is called the y-intercept of the function.
      The value of y-coordinate of the exponential function when x = 0 is 4 to the power of 0 plus 2 end exponent equals 4 to the power of 2 end exponent
      = 16
      So, the y - intercept becomes (0, 16).

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