Date | November 2020 | Marks available | 1 | Reference code | 20N.1.SL.TZ0.T_2 |
Level | Standard Level | Paper | Paper 1 | Time zone | Time zone 0 |
Command term | State | Question number | T_2 | Adapted from | N/A |
Question
Olava’s Pizza Company supplies and delivers large cheese pizzas.
The total cost to the customer, , in Papua New Guinean Kina (), is modelled by the function
where , is the number of large cheese pizzas ordered. This total cost includes a fixed cost for delivery.
State, in the context of the question, what the value of represents.
State, in the context of the question, what the value of represents.
Write down the minimum number of pizzas that can be ordered.
Kaelani has .
Find the maximum number of large cheese pizzas that Kaelani can order from Olava’s Pizza Company.
Markscheme
the cost of each (large cheese) pizza / a pizza / one pizza / per pizza (A1) (C1)
Note: Award (A0) for “the cost of (large cheese) pizzas”. Do not accept “the minimum cost of a pizza”.
[1 mark]
the (fixed) delivery cost (A1) (C1)
[1 mark]
(A1) (C1)
[1 mark]
(M1)
Note: Award (M1) for equating the cost equation to (may be stated as an inequality).
(A1)
(A1)(ft) (C3)
Note: The final answer must be an integer.
The final (A1)(ft) is awarded for rounding their answer down to a whole number, provided their unrounded answer is seen.
[3 marks]