Concept explainers
a.
To state: The inverse of the function if on a certain day, the function that gives Swedish kronor in terms of U.S. dollars is
The inverse function is
Given information:
The given function is
Calculation:
Write the given equation:
Divide both sides of the equation by 7.463,
Therefore, the inverse of the function is
b.
To state: How many U.S. dollars do you receive or 25 kronor.
For 25 kronor 3.3498 dollars will be obtained.
Given information:
The inverse function from part (a) is
Explanation:
Write the inverse function:
Now substitute the value of k as 25 in the equation,
Therefore, 3.3498 dollars will be received for 25 kronor.
c.
To state: The inverse function in words.
A function that can be derived from an original function by interchanging the two variables of the original function is known as inverse function.
Given information:
The given statement says explain the meaning of inverse function in words.
Explanation:
Let’s consider a function with input taken as x and output as y , this function can be represented as:
In this case the inverse function can be defined as a function derived from the above function where for the input of y gives the output of x and it can be represented as
Now consider the given problem the given function
Chapter 3 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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