NZ Level 7 (NZC) Level 2 (NCEA)
Domain and range of quadratic functions

## Interactive practice questions

Consider the graph of the function $y=f\left(x\right)$y=f(x) and answer the following questions.

a

What is the $y$y-value of the absolute minimum of the graph?

b

Hence determine the range of the function.

$y\ge\editable{}$y

c

What is the domain of this function?

All real $x$x

A

$x\ge-4$x4

B

$x\le-2$x2

C

$x>-2$x>2

D

All real $x$x

A

$x\ge-4$x4

B

$x\le-2$x2

C

$x>-2$x>2

D
Easy
Approx a minute

Consider the graph of the function $y=f\left(x\right)$y=f(x) and answer the following questions.

Consider the graph of the function $y=f\left(x\right)$y=f(x) and answer the following questions.

Consider the graph of the function $y=f\left(x\right)$y=f(x) and answer the following questions.

### 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