SOLUTION: Plot the graph of the following function. f(x) =7^x

Algebra.Com
Question 150435: Plot the graph of the following function.
f(x) =7^x
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Table of Contents:

Table
Graph

In order to graph , we need to plot a few points.


Let's find the y value when note: you can start at any x value.


Start with the given equation.


Plug in .



Rewrite as


Evaluate to get 49


Divide and simplify.


So when , . So we have the point (-2,0.02).


----------------------------


Let's find the y value when


Start with the given equation.


Plug in .


Rewrite as


Evaluate to get 7


Divide and simplify.


So when , . So we have the point (-1,0.143).


----------------------------


Let's find the y value when


Start with the given equation.


Plug in .


Evaluate to get 1


So when , . So we have the point (0,1).


----------------------------


Let's find the y value when


Start with the given equation.


Plug in .


Evaluate to get 7


So when , . So we have the point (1,7).


----------------------------


Now let's make a table of the values we just found.





Jump to Table of Contents

Table of Values:


TEST: -2



xy
-20.02


-10.143


01


17

Now let's plot these points:







Jump to Table of Contents

Graph:


Now draw a curve through all of the points to graph :


Graph of

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