Date | May Example questions | Marks available | 3 | Reference code | EXM.1.AHL.TZ0.4 |
Level | Additional Higher Level | Paper | Paper 1 (without calculator) | Time zone | Time zone 0 |
Command term | Find | Question number | 4 | Adapted from | N/A |
Question
Let
Show that has no vertical asymptotes.
[3]
a.
Find the equation of the horizontal asymptote.
[2]
b.
Find the exact value of , giving the answer in the form .
[3]
c.
Markscheme
M1A1
So the denominator is never zero and thus there are no vertical asymptotes. (or use of discriminant is negative) R1
[3 marks]
a.
so the equation of the horizontal asymptote is M1A1
[2 marks]
b.
M1A1A1
[3 marks]
c.
Examiners report
[N/A]
a.
[N/A]
b.
[N/A]
c.