2.3 Concept Prep Assignment: Graphs of Exponential Functions |
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Make a table of values of inputs and outputs for the exponential function with an initial value of 1 and a growth factor of 2 . Be sure to include both positive and negative values for inputs. Choose at least 8 values as inputs. |
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y |
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Make a sketch of your graph here: |
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Repeat the above for and then answer the following questions. |
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a. Describe, in words, the characteristics of the graphs. |
b. How are all three graphs similar? |
c. How are they different from each other? |
d. What are possible values for the input ? |
e. Complete: as , ??? |
as , ??? |
f. Will the output ever be 0? Why or why not? |
g. Will the output ever be negative? Why or why not? |
h. For what values of x is |
i. For what values of x is |
j. Write a formula for an exponential function whose graph hugs the y-axis |
more closely, i.e. is narrower than the graphs you sketched above. |
k. Predict where the graphs of would be located on your |
graph then test your prediction on your graphing calculator. |
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