Learn Before
y-intercept of the Graph of an Exponential Function
The graph of an exponential function always contains the point , making it the -intercept. This occurs because any non-zero base raised to the power of equals ().
0
1
Tags
OpenStax
Intermediate Algebra @ OpenStax
Ch.10 Exponential and Logarithmic Functions - Intermediate Algebra @ OpenStax
Algebra
Related
Shape of the Graph of an Exponential Function where
y-intercept of the Graph of an Exponential Function
Point on the Graph of an Exponential Function
Point on the Graph of an Exponential Function
Domain of an Exponential Function
Range of an Exponential Function
Example: Graphing f(x) = \left(\frac{1}{2} ight)^x and g(x) = \left(\frac{1}{3} ight)^x
Requirement that the Base of an Exponential Function is Positive ()
Shape of the Graph of an Exponential Function where
One-to-One Property of Exponential Functions
Horizontal Asymptote of the Graph of an Exponential Function
x-intercept of the Graph of an Exponential Function
Horizontal Translation of an Exponential Function
Vertical Translation of an Exponential Function
Natural Base
Requirement that the Base of an Exponential Function is Not Equal to 1
Example: Graphing and
Example: Graphing
Example: Graphing f(x) = \left(\frac{1}{4} ight)^x
Example: Graphing g(x) = \left(\frac{1}{5} ight)^x
Applications of Exponential Functions
Difference Between Exponential and Polynomial Functions
As a financial analyst trainee reviewing investment growth models, you encounter various mathematical formulas. Compound interest investments are modeled using an exponential function of the form . Based on the formal definition of an exponential function, which of the following statements correctly identifies its required mathematical characteristics?
As a financial analyst trainee, you are reviewing various mathematical models used to project growth. Match each component or characteristic of the exponential function with its correct description according to its formal mathematical definition.
A market researcher is using the mathematical model to project the rapid growth of a new product's user base. To correctly classify this model as an exponential function, the researcher must identify that the variable is located in the ____.
Constraints on the Base of an Exponential Function
A demographics clerk is using the mathematical model to project city population trends. According to the formal definition of an exponential function, the constant base is permitted to be any positive real number.
Learn After
In mathematical modeling, the -intercept represents the 'initial value' or baseline of a process when the input is zero. For the basic exponential function (where ), what is the -intercept of its graph?
An inventory manager is using the basic exponential function to model the projected multiplication of a specific bacteria strain over time. Regardless of the specific positive growth rate chosen, the initial baseline value on the graph at time , representing the -intercept, will always be located at the coordinate point .
An operations manager is using the basic exponential function to model the growth of a startup's server capacity over time . At the very beginning of the tracking process (where ), the graph of this function crosses the -axis. Since any non-zero base raised to the power of zero equals 1, the -coordinate of this intercept is always ____.
A business analyst is using the basic exponential function to project the growth of a new subscription service. To determine the starting point of the growth curve on a graph (the -intercept), the analyst must follow a specific set of logical steps. Arrange these steps in the correct order to identify the coordinates of the -intercept.
An analyst at a marketing firm is reviewing exponential growth models of the form to project user acquisition. To ensure the baseline projections are calculated correctly, match each graphical or algebraic component of the -intercept with its correct value or description.