Login

Search the forums now!

Welcome, Guest. Please login or register.

October 30, 2025, 12:44:28 pm
Pages: [1]   Go Down

Author Topic: exponential graphs  (Read 779 times)  Share 

0 Members and 1 Guest are viewing this topic.

tolga

  • Victorian
  • Trendsetter
  • **
  • Posts: 120
  • Respect: +1
exponential graphs
« on: December 30, 2009, 08:05:29 pm »
0
How do you find the x-intercept for the following function?

A) f(x)=5-4times3^1-x
Logged

brightsky

  • Victorian
  • ATAR Notes Legend
  • *******
  • Posts: 3136
  • Respect: +200
Re: exponential graphs
« Reply #1 on: December 30, 2009, 08:07:39 pm »
0
Is that an equation?
Logged
2020 - 2021: Master of Public Health, The University of Sydney
2017 - 2020: Doctor of Medicine, The University of Melbourne
2014 - 2016: Bachelor of Biomedicine, The University of Melbourne
2013 ATAR: 99.95

Currently selling copies of the VCE Chinese Exam Revision Book and UMEP Maths Exam Revision Book, and accepting students for Maths Methods and Specialist Maths Tutoring in 2020!

tolga

  • Victorian
  • Trendsetter
  • **
  • Posts: 120
  • Respect: +1
Re: exponential graphs
« Reply #2 on: December 30, 2009, 08:08:54 pm »
0
yes
Logged

brightsky

  • Victorian
  • ATAR Notes Legend
  • *******
  • Posts: 3136
  • Respect: +200
Re: exponential graphs
« Reply #3 on: December 30, 2009, 08:09:30 pm »
0
What do you mean by 'times'?
Logged
2020 - 2021: Master of Public Health, The University of Sydney
2017 - 2020: Doctor of Medicine, The University of Melbourne
2014 - 2016: Bachelor of Biomedicine, The University of Melbourne
2013 ATAR: 99.95

Currently selling copies of the VCE Chinese Exam Revision Book and UMEP Maths Exam Revision Book, and accepting students for Maths Methods and Specialist Maths Tutoring in 2020!

dekoyl

  • Victorian
  • ATAR Notes Superstar
  • ******
  • Posts: 2152
  • Respect: +18
Re: exponential graphs
« Reply #4 on: December 30, 2009, 08:11:28 pm »
0
Please, please learn to use this:
http://vcenotes.com/forum/index.php/topic,3137.0.html

It makes reading the questions a lot easier.

So you don't get things like
Quote from: tolga on December 30, 2009, 07:15:45 pm
Solve for x in the following:
A)(log3(x))^2-log3(x^4)+3=0 B)log3(x^3)=(log3(x))^2 C)log3(x^2-3x-7)=1 D)log10(x)/log10(2)=4
Note: In thes questions the number after log is to the power below log.
:)
Logged

Aden

  • Victorian
  • Trendsetter
  • **
  • Posts: 141
  • Respect: +15
Re: exponential graphs
« Reply #5 on: December 30, 2009, 08:17:59 pm »
0

Make y = 0





EDIT: Fixed minor LaTeX mistake.
« Last Edit: December 30, 2009, 08:19:52 pm by Aden »
Logged
2009: History: Revolutions [42], Mathematical Methods [39]

2010: French [39], Chemistry [44], Physics [40], English [49], Specialist Mathematics [38]

ATAR: 99.60

2011: Bachelor of Commerce (Economics/Finance) @ Unimelb

Ilovemathsmeth

  • Victorian
  • Part of the furniture
  • *****
  • Posts: 1370
  • Respect: +7
Re: exponential graphs
« Reply #6 on: January 01, 2010, 02:02:20 pm »
0
Show all the working like Aden - even if you're really experienced, it can help you identify mistakes more easily.
Logged
Raw Scores:
Psychology 50 | Mathematical Methods 49 | Further Mathematics 49 | Accounting 49 | Chemistry 44 | English 43
ATAR: 99.75
Pages: [1]   Go Up