Which one of the following is not correct for the feature of an exponential function given by?
The point is always on the graph of the function
Explanation for the correct option.
Option C:
The given function is
Substituting the point
, Since
Hence, the correct option is C
Explanation for the incorrect options:
Option A: When the value of is a large negative number, the function is . Since the function approaches zero.
Option B: can be any real number since
Option D: If the value of , the function will be of the form . If the value of , the function will be of the form since the value of so in either case the range is positive real numbers.
Hence, the correct option is C