Chapter 2.2, Problem 21E

### Finite Mathematics and Applied Cal...

7th Edition
Stefan Waner + 1 other
ISBN: 9781337274203

Chapter
Section

### Finite Mathematics and Applied Cal...

7th Edition
Stefan Waner + 1 other
ISBN: 9781337274203
Textbook Problem

# In Exercises 19-24 the values of two functions, f and g, are given in a table. One, both, or neither of them may be exponential. Decide which, if any, are exponential, and give the exponential models for those that are. [HINT: See Example 1.] x –2 –1 0 1 2 f ( x ) 22.5 7.5 2.5 7.5 22.5 g ( x ) 0.3 0.9 2.7 8.1 16.2

To determine

Which function in table is exponential, if there any exponential function then draw its graph also, table is shown below:

 x −2 −1 0 1 2 f(x) 22.5 7.5 2.5 7.5 22.5 g(x) 0.3 0.9 2.7 8.1 16.2
Explanation

Given information:

The provided table is:

 x ā2 ā1 0 1 2 f(x) 22.5 7.5 2.5 7.5 22.5 g(x) 0.3 0.9 2.7 8.1 16.2

Consider the following data table,

 x ā2 ā1 0 1 2 f(x) 22.5 7.5 2.5 7.5 22.5 g(x) 0

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