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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