Additional PROBLEMS - MathChamber
Additional PROBLEMS - MathChamber
Additional PROBLEMS - MathChamber
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Name Class Date<br />
7-6<br />
<strong>Additional</strong> Problems<br />
Exponential Functions<br />
Problem 1<br />
Does the table or rule represent an exponential function<br />
Explain.<br />
a. b. y 5 2 x<br />
x<br />
0<br />
1<br />
2<br />
3<br />
y<br />
2<br />
6<br />
10<br />
14<br />
Problem 2<br />
Suppose a culture of bacteria doubles each hour. There are<br />
initially 2200 bacteria. The function f (x) 5 2200 2 x gives the<br />
number of bacteria after x hours. How many bacteria will there<br />
be after 5 hours<br />
Prentice Hall Algebra 1 • <strong>Additional</strong> Problems<br />
Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved.<br />
107
Name Class Date<br />
7-6<br />
<strong>Additional</strong> Problems (continued)<br />
Exponential Functions<br />
Problem 3<br />
What is the graph of y 5 0.25 3 x <br />
Problem 4<br />
Suppose an investment of $7500 doubles in value every 12<br />
years. The function f (x) 5 7500 2 x models the growth of the<br />
investment, where x is the number of 12-year periods. Graph<br />
the function.<br />
Prentice Hall Algebra 1 • <strong>Additional</strong> Problems<br />
Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved.<br />
108