How did everyone go?!

[acinod]

Didn't use my time efficiently. Spent too long on each question and didn't have enough time to check over and now realised that I made heaps of silly mistakes.
Hopefully scrape an A+ considering everyone else found it hard as well.

[mickeymouse]

Didn't use my time efficiently. Spent too long on each question and didn't have enough time to check over and now realised that I made heaps of silly mistakes.
Hopefully scrape an A+ considering everyone else found it hard as well.

dont worry I will help boost your score
from my performance today

[maimu]

Hi everyone, for the question about domain f(g(x)), I got  (- infinity, -8] and [3, + infinity)
My reason: I also got (- inf, -8] and [-2, inf). But the problem is Dom f(g(x)) = intersection of f(x) and g(x). Domain of f(x) is (-inf, -3] and [3, + inf). Therefore, dom f(g(x) should also be in that range.. Therefore, I got my above result.

Is that wrong?? I'm quite worried :<

ANd for question 2: find an antiderivative. I have "+c" after my antiderivative. Is it acceptable?

[tullfrog]

destroyed it!

Answers i can remember:

P=3/4

P ALSO EQUALS 0!!!

[nos488]

i rejected p=0 as a solution can't remember exactly why, does anyone have a copy of the exam i can't remember much so its difficult to say what i got, i think around 25-30

[kenny_]

destroyed it!

Answers i can remember:

P=3/4

P ALSO EQUALS 0!!!

Are you sure? that would mean that Pr(Head) = 0 and Pr(Tail) = 1

[homosapiens]

I said p=0 too, it did say it was a biased coin!

[Andiio]

destroyed it!

Answers i can remember:

P=3/4

P ALSO EQUALS 0!!!

Are you sure? that would mean that Pr(Head) = 0 and Pr(Tail) = 1

It was a biased coin

[kenny_]

destroyed it!

Answers i can remember:

P=3/4

P ALSO EQUALS 0!!!

Are you sure? that would mean that Pr(Head) = 0 and Pr(Tail) = 1

It was a biased coin

GG theres another mark

EDIT: How are we supposed to get 2 Heads and 1 Tail then?

[hary24]

for 4^x- 15x2^x= 16 i wrote the answer as log2(16) which does = 4
do you reckon they would still mark that right?

[Bozo]

Yes, but logically, how can their be a coin with inifintite chance?

[Heartless_Hero]

destroyed it!

Answers i can remember:

P=3/4

P ALSO EQUALS 0!!!

p can't equal 0 ..... dickhead

[mattshen]

for 4^x- 15x2^x= 16 i wrote the answer as log2(16) which does = 4
do you reckon they would still mark that right?

yes you will get that mark

[Bozo]

If p=0, then it is not probability any more as it's outcome would be determined before you tried?