6. Topic 6(COLON) Basic Functions and Their Graphs

Lesson 6.1: The Idea Of A Function And Function Notation — Quiz

Test your understanding of lesson 6.1: the idea of a function and function notation with 5 practice questions.

Read the lesson first

Practice Questions

Question 1

What is the output of the function $f(x) = 2x + 3$ when the input is $4$?

Question 2

If a function $f$ is defined as $f(x) = x^2$, what is $f(5)$?

Question 3

In the function $f(x) = \frac{1}{x}$, what is the output when $x$ equals $2$?

Question 4

What does the term 'domain' refer to in the context of a function?

Question 5

If $f(x) = 3x - 4$, what is $f(0)$?