New Zealand
Level 7 - NCEA Level 2

# Describing functions

## Interactive practice questions

Consider the function $y=4x-3$y=4x3.

a

What is the independent variable of the function?

b

What is the dependent variable of the function?

Easy
Less than a minute

For a function $f$f, what does $f\left(3\right)$f(3) represent?

Which of the following is true?

Select all the correct statements.

The graph shows Charlie's speed while he is competing in a bike race. Which situation corresponds to the graph?

### Outcomes

#### M7-2

Display the graphs of linear and non-linear functions and connect the structure of the functions with their graphs

#### 91257

Apply graphical methods in solving problems