1. Algebra and Functions
Functions And Notation — Quiz
Test your understanding of functions and notation with 5 practice questions.
Practice Questions
Question 1
Which of the following best defines a function in mathematics?
Question 2
Given the function $f(x) = 2x + 3$, what is the value of $f(5)$?
Question 3
What is the domain of the function $f(x) = \sqrt{x - 4}$?
Question 4
If $f(x) = x^2$ and $g(x) = x + 1$, what is the composite function $(f \circ g)(x)$?
Question 5
Which of the following notations represents 'f is a function of x'?