13.2.1 Graphs of Functions, PT3 Focus Practice 2
Question 4:
Use graph paper to answer this question.
Table below shows the values of two variables, x and y, of a function.
x

–3

–2

–1

0

1

2

3

y

–19

–3

1

–1

–3

1

17

The xaxis and the yaxis are provided on the graph paper on the answer space.
(a) By using a scale of 2 cm to 5 units, complete and label the yaxis.
(b) Based on the table above, plot the points on the graph paper.
(c) Hence, draw the graph of the function.
Answer:
Solution:
Question 5:
Use graph paper to answer this question.
Table below shows the values of two variables, x and y, of a function.
x

–4

–3

–2

–1

0

1

2

y

31

17

7

1

–1

1

7

The xaxis and the yaxis are provided on the graph paper on the answer space.
(a) By using a scale of 2 cm to 5 units, complete and label the yaxis.
(b) Based on the table above, plot the points on the graph paper.
(c) Hence, draw the graph of the function.
Answer:
Solution: