Page 74 - Math SL HB Sem 1

Palt'ltanr 8vrtfi,vns -Cfu"r.'[rrrs)

1. [Moxinum mark: 7]

Let /(.r) : lo (r 'r 5) + ln 2 . for ,r > -5

(u) Find /-'(.r) [4m arksl
l\r ! DI - e ^_10
I rt )
Let g(x)=e'

(b) Fmd (g"/)(-r), grving yoru mswer in the form an-+6, rvhere a,be Z . [3 marh]
Alr't '. Ln +10

a. [Mcimunt mark: 6J

x
/ fte followiag diagram shorts part of the graph of /, rvhere /(r) : ::: - - 2 ,
\0f .\
hor,,nn''
td"

,
(r) Fhd both r-urterceps. Anr.. (-t,0) b,o)y4 .ork 1

(b) Find the;r coordilate ofthe vertex. [2 ,zorA:J
hns' ?13=0'5