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Solutions (2 Viewers)

anom1ly

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Joined
Nov 18, 2008
Messages
146
Gender
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HSC
2009
for 9v) i got path PQS. i inputted the new price for underwater, found the new minimum value and subbed it in. worked out cheaper than the other two.
 

luv2luvurmama

Member
Joined
Mar 6, 2009
Messages
312
Gender
Male
HSC
2009
THese are my solutions - well answers. Remember these are by a student, and aren't necessarily right. Tell me if there is something wrong, as there most probaby is. Sorry for the horrible format. It won't let my upload either.

1b) x= 4/3
1c) x=4, -6
1d) m=1
1e) θ=π/3
1f) x= 7.3891

2ai) sinx +xcosx
2aii) 2e^x(e^x +1)
2bi) 5x + c
2bii) -3/(x-6) +c
2biii) 77/3
2c) 10

3a) 588
3bi) 4x-3y -5
3bii) 2
3biii) (x-1)^2 + (y-3)^2 = 4
3d) 64500m

4a) 12
4b) k=2, -6
4cii) 1:2

5ai) y=-x/root(3) +1
5aii) 2root(3)
5bi) 1/3
5bii) 1/3
5biii) (2/3)^5
5ci) θ=2π/3
5cii1) 2π/3
5cii2) 2(π/3 +1)

6a) 2πroot(3)
6bi) k=ln2/1600
6bii t=2536
6ci) b=12, a=-1/20
6cii) d=16.2

7aii) t=ln4
7aiii) x= 7/8 + ln4
7bi) T=12
7bii) h=0.3 t=2pm
7biii) 6-10am

8ai) 3>x>-1
8aii) the gradient approaches 0
8bi) $349688
8bii) $2270
8biii) 179 months
8biv) $129966

9a) 91/216
9bi) $12800
9bii) $15160
9biv) x= 5/4 c=$12200
9bv) p straight to s

10f) 17/12 -2ln2
Why would you waste your time doing this, you retard?
 

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