Question 607024: How can I identify which tables of values represents an exponential function?
Answer by MathLover1(20849)   (Show Source):
You can put this solution on YOUR website!
recall that an  function is called the 
you first look is there  ...if you find one, means the function is an function
keep this in mind:
The pattern in the table of an function  the pattern in a  function, in that it can be checked easily as long as the  values are  spaced.
The  in an function come from  , as opposed to subtraction. Recall that when the input values have difference one, then the constant difference in a function is called the  . Analogously, when the differences in the input values of an function have difference one, then the constant in an function is called the .
For functions, when the  increase by a   , the  increase  decrease by the   .
Note that with an exponential function, if we change the spacing of the inputs, we will change the ratio, although the ratios will still be the same as each other, as long as inputs are equally spaced.
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