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Determine whether the given function represents an exponential functions or not

Determine Whether The Given Function Represents An Exponential Functions Or Not class=

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Answer:

  1. not
  2. not
  3. not
  4. exponential
  5. exponential

Step-by-step explanation:

If the independent variable is part of an exponent, the function is an exponential function.

Functions 1, 2, 3 -- not exponential

Functions 4, 5 -- exponential

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Additional comment

The value of f(x) for the function of problem 2 is 2.5^n for any value of x. That is, the function value does not depend on x, so it cannot be said to be an exponential function.

If you assume the definition of f(x) in problem 2 is a typo, then your answer will vary.

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