Card 1 of 20
Which sequence model suits a quantity changing by a fixed amount each interval?
A
un+1=1.04un+600u_{n+1}=1.04u_n+600un+1=1.04un+600.
B
An arithmetic sequence.
C
Sn=u1+u2+⋯+unS_n=u_1+u_2+\cdots+u_nSn=u1+u2+⋯+un.
D
10+2(71−0.7)=1703 m10+2\left(\frac{7}{1-0.7}\right)=\frac{170}{3}\text{ m}10+2(1−0.77)=3170 m.
Card 1 of 20
1.4.11 Modelling with sequences and series (A-level only) Flashcards
20 flashcards on OCR A Level Maths 1.4.11 Modelling with sequences and series (A-level only): the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.