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Example: Computing for and
Given and , this example shows how to find the product function and explains the distinction between function multiplication and function composition.
The notation is different from . In composition, the output of one function is used as the input of another, whereas in multiplication, the two function values are multiplied together.
Using the definition , substitute and to get . Multiply the binomials to obtain .
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Ch.10 Exponential and Logarithmic Functions - Intermediate Algebra @ OpenStax
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Multiplying and
Multiplying and
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Example: Computing for and
Example: Computing for and
In a business context, a manager uses two polynomial functions: to represent the unit price of an item and to represent the number of units sold. To calculate the total revenue function, denoted as , which of the following formulas correctly represents the definition of function multiplication?
In a manufacturing facility, a production supervisor uses a polynomial function to model the number of machines in operation and another polynomial to model the energy consumption per machine. To find the total energy consumption function, denoted as , the supervisor applies the definition of function multiplication. True or False: The correct formula for this calculation is .
Defining the Total Inventory Value Function
A project manager is using polynomial functions to model resource allocation for a new department. Match the following algebraic terms related to the multiplication of functions and with their correct professional descriptions.
A corporate financial analyst is building a project cost model where represents the hourly labor rate and represents the total labor hours required for a project. To find the total labor cost, they must find the product of the two functions, denoted as . The formal definition states , meaning that to find this product, the analyst must multiply their respective polynomial ____ together.
Learn After
A small business owner uses the function to represent the average cost per item and to represent the number of items sold. Which of the following expressions shows the correct setup to find the total revenue function, , before it is simplified?
A colleague in your financial analysis team asserts that the notation means you should substitute the output of function as the input into function . Is this statement true or false?
A business analyst is modeling total revenue by multiplying a unit price function and a quantity function . To find the total revenue function , the analyst must follow a specific sequence of algebraic steps. Arrange the following steps in the correct order to determine the final simplified product polynomial.
A retail analyst uses the function to represent the profit margin per unit and to represent the daily sales volume. To prepare a correct financial model, the analyst must distinguish between different function operations. Match each mathematical expression with its correct description based on these two functions.
Defining Function Multiplication Notation