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The function concept in practice
Solving exercises about definition, domain, range of a function, and about sums, products, quotients, and composition of functions.
The following exercises are solved in this step.
We invite you to try to solve them before watching the video.
In any case, you will find below a PDF file with the solutions.
Exercise 1.
Compute the domain and try to figure out the range of the function [f(x)=frac 1{x^2-1}.]
Exercise 2. [Solved only in the PDF file]
Compute the domain and try to figure out the range of the function [g(x)=frac{x+3}{x-3}.]
This article is from the online course:
Precalculus: the Mathematics of Numbers, Functions and Equations
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This article is from the free online
Precalculus: the Mathematics of Numbers, Functions and Equations
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