2. Algebra
Functions — Quiz
Test your understanding of functions with 5 practice questions.
Practice Questions
Question 1
Which of the following describes a function?
Question 2
If a function is represented by the equation $y = 5x - 2$, what is the output when the input is $x = 3$?
Question 3
What is the domain of the function shown in the table below?$$$\begin{array}{|c|c|}\hline x & y \\ \hline 0 & 2 \\ \hline 1 & 4 \\ \hline 2 & 6 \\ \hline 3 & 8 \\ \hline \end{array}$$
Question 4
Which of the following is the correct function notation for 'the value of f at x'?
Question 5
A graph passes the vertical line test if every vertical line intersects the graph at most how many times?