Lesson Example Discussion Quiz: Class Homework |
Lesson |
Title: Exponential function |
Grade: 9-a Lesson: S3-L6 |
Explanation: Hello students, let us learn a new topic in algebra today with definitions, concepts, examples, and worksheets included. |
Lesson:
Definition: Exponential function |
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An exponential function is expressed as \$f(x) = f(y) = a^x\$, where y stands for the variable and a denotes the constant which is also termed as the base of the function. |
Definition: Exponential growth |
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In Exponential Growth, the quantity increases very slowly at first, and then rapidly. The rate of change increases over time. The rate of growth becomes faster as time passes. The rapid growth is meant to be an “exponential increase”. The formula to define the exponential growth is: \$y = a ( 1+ r )^x\$ |
Definition: Exponential decay |
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An Exponential Decay, the quantity decreases very rapidly at first, and then slowly. The rate of change decreases over time. The rate of change becomes slower as time passes. The rapid growth meant to be an “exponential decrease”. The formula to define the exponential growth is: \$y = a ( 1- r )^x\$ |
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