Graphs 2
3 marks · NormalA taxi company charges a $4.50 fixed fee plus $1.20 for every kilometre travelled.
Complete the table below to show the total charge $C$ in dollars ($) for $k$ kilometres.
| k (km) | C ($) |
|---|---|
| 0 | |
| 5 | |
| 10 |
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
(0) 4.50 $
(5) 10.50 $
(10) 16.50 $
Show mark scheme and worked solution
Marking points
M1 · 1 mark · Uses correct rule: $C = 4.50 + 1.20k$ or equivalent.
A1 · 1 mark · Calculates $C$ for $k = 5$ correctly: $10.50$.
A2 · 1 mark · Calculates $C$ for $k = 10$ correctly: $16.50$.
Worked solution
$C = 4.50 + 1.20k$
| k (km) | C ($) |
|---|---|
| 0 | 4.50 |
| 5 | 10.50 |
| 10 | 16.50 |